8797990257 has 32 divisors (see below), whose sum is σ = 14926080000. Its totient is φ = 5017294224.

The previous prime is 8797990249. The next prime is 8797990283. The reversal of 8797990257 is 7520997978.

It is not a de Polignac number, because 8797990257 - 2³ = 8797990249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 8797990194 and 8797990203.

It is not an unprimeable number, because it can be changed into a prime (8797990457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47668 + ... + 140954.

It is an arithmetic number, because the mean of its divisors is an integer number (466440000).

Almost surely, 2^8797990257 is an apocalyptic number.

It is an amenable number.

8797990257 is a deficient number, since it is larger than the sum of its proper divisors (6128089743).

8797990257 is a wasteful number, since it uses less digits than its factorization.

8797990257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93802 (or 93796 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 63.

The square root of 8797990257 is about 93797.6026186171. The cubic root of 8797990257 is about 2064.4030509362.

The spelling of 8797990257 in words is "eight billion, seven hundred ninety-seven million, nine hundred ninety thousand, two hundred fifty-seven".