9880732251 has 24 divisors (see below), whose sum is σ = 15390961040. Its totient is φ = 6072169536.

The previous prime is 9880732189. The next prime is 9880732259. The reversal of 9880732251 is 1522370889.

It is a happy number.

It is not a de Polignac number, because 9880732251 - 2⁷ = 9880732123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9880732197 and 9880732206.

It is not an unprimeable number, because it can be changed into a prime (9880732259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29325 + ... + 143601.

Almost surely, 2^9880732251 is an apocalyptic number.

9880732251 is a deficient number, since it is larger than the sum of its proper divisors (5510228789).

9880732251 is a wasteful number, since it uses less digits than its factorization.

9880732251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115035 (or 115032 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 9880732251 is about 99401.8724723031. The cubic root of 9880732251 is about 2145.8352585200.

The spelling of 9880732251 in words is "nine billion, eight hundred eighty million, seven hundred thirty-two thousand, two hundred fifty-one".