9769397077 has 4 divisors (see below), whose sum is σ = 10657524096. Its totient is φ = 8881270060.

The previous prime is 9769397047. The next prime is 9769397087. The reversal of 9769397077 is 7707939679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9769397077 is a prime.

It is a super-2 number, since 2×9769397077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9769397047) 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, 444063493 + ... + 444063514.

It is an arithmetic number, because the mean of its divisors is an integer number (2664381024).

Almost surely, 2^9769397077 is an apocalyptic number.

It is an amenable number.

9769397077 is a deficient number, since it is larger than the sum of its proper divisors (888127019).

9769397077 is a wasteful number, since it uses less digits than its factorization.

9769397077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888127018.

The product of its (nonzero) digits is 31505922, while the sum is 64.

The square root of 9769397077 is about 98840.2604053632. The cubic root of 9769397077 is about 2137.7451047863.

The spelling of 9769397077 in words is "nine billion, seven hundred sixty-nine million, three hundred ninety-seven thousand, seventy-seven".