797894774 has 4 divisors (see below), whose sum is σ = 1196842164. Its totient is φ = 398947386.

The previous prime is 797894767. The next prime is 797894791. The reversal of 797894774 is 477498797.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×797894774² = 1273272140753022152, 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 as a sum of consecutive naturals, namely, 199473692 + ... + 199473695.

It is an arithmetic number, because the mean of its divisors is an integer number (299210541).

Almost surely, 2^797894774 is an apocalyptic number.

797894774 is a deficient number, since it is larger than the sum of its proper divisors (398947390).

797894774 is a wasteful number, since it uses less digits than its factorization.

797894774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398947389.

The product of its digits is 24893568, while the sum is 62.

The square root of 797894774 is about 28247.0312422385. The cubic root of 797894774 is about 927.5027519335.

The spelling of 797894774 in words is "seven hundred ninety-seven million, eight hundred ninety-four thousand, seven hundred seventy-four".