797891676 has 12 divisors (see below), whose sum is σ = 1861747272. Its totient is φ = 265963888.

The previous prime is 797891659. The next prime is 797891723. The reversal of 797891676 is 676198797.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×797891676² = 1273262253260177952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33245475 + ... + 33245498.

It is an arithmetic number, because the mean of its divisors is an integer number (155145606).

Almost surely, 2^797891676 is an apocalyptic number.

It is an amenable number.

797891676 is an abundant number, since it is smaller than the sum of its proper divisors (1063855596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797891676 is a wasteful number, since it uses less digits than its factorization.

797891676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66490980 (or 66490978 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 60.

The square root of 797891676 is about 28246.9764045641. The cubic root of 797891676 is about 927.5015515215.

The spelling of 797891676 in words is "seven hundred ninety-seven million, eight hundred ninety-one thousand, six hundred seventy-six".