9880293769 has 4 divisors (see below), whose sum is σ = 10042265860. Its totient is φ = 9718321680.

The previous prime is 9880293749. The next prime is 9880293809. The reversal of 9880293769 is 9673920889.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2576882169 + 7303411600 = 50763^2 + 85460^2 .

It is a cyclic number.

It is not a de Polignac number, because 9880293769 - 2⁷ = 9880293641 is a prime.

It is a super-2 number, since 2×9880293769² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 161972029 = 9880293769 / (9 + 8 + 8 + 0 + 2 + 9 + 3 + 7 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880293749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80985954 + ... + 80986075.

It is an arithmetic number, because the mean of its divisors is an integer number (2510566465).

Almost surely, 2^9880293769 is an apocalyptic number.

It is an amenable number.

9880293769 is a deficient number, since it is larger than the sum of its proper divisors (161972091).

9880293769 is a wasteful number, since it uses less digits than its factorization.

9880293769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161972090.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The square root of 9880293769 is about 99399.6668455181. Note that the first 3 decimals coincide. The cubic root of 9880293769 is about 2145.8035157965.

The spelling of 9880293769 in words is "nine billion, eight hundred eighty million, two hundred ninety-three thousand, seven hundred sixty-nine".