797620858 has 8 divisors (see below), whose sum is σ = 1266809652. Its totient is φ = 375350976.

The previous prime is 797620853. The next prime is 797620861. The reversal of 797620858 is 858026797.

It can be written as a sum of positive squares in 2 ways, for example, as 777127129 + 20493729 = 27877^2 + 4527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (797620853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11729685 + ... + 11729752.

Almost surely, 2^797620858 is an apocalyptic number.

797620858 is a deficient number, since it is larger than the sum of its proper divisors (469188794).

797620858 is a wasteful number, since it uses less digits than its factorization.

797620858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23459456.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 797620858 is about 28242.1822457118. The cubic root of 797620858 is about 927.3966030484.

The spelling of 797620858 in words is "seven hundred ninety-seven million, six hundred twenty thousand, eight hundred fifty-eight".