797660650 has 24 divisors (see below), whose sum is σ = 1488954924. Its totient is φ = 317923200.

The previous prime is 797660639. The next prime is 797660651. The reversal of 797660650 is 56066797.

It can be written as a sum of positive squares in 6 ways, for example, as 260209161 + 537451489 = 16131^2 + 23183^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 797660650.

It is not an unprimeable number, because it can be changed into a prime (797660651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14337 + ... + 42436.

Almost surely, 2^797660650 is an apocalyptic number.

797660650 is a deficient number, since it is larger than the sum of its proper divisors (691294274).

797660650 is a wasteful number, since it uses less digits than its factorization.

797660650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57066 (or 57061 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 797660650 is about 28242.8867150651. The cubic root of 797660650 is about 927.4120248919.

The spelling of 797660650 in words is "seven hundred ninety-seven million, six hundred sixty thousand, six hundred fifty".