797777955 has 96 divisors (see below), whose sum is σ = 1594966464. Its totient is φ = 365395968.

The previous prime is 797777923. The next prime is 797777971. The reversal of 797777955 is 559777797.

It is not a de Polignac number, because 797777955 - 2⁵ = 797777923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 797777892 and 797777901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 964252 + ... + 965078.

It is an arithmetic number, because the mean of its divisors is an integer number (16614234).

Almost surely, 2^797777955 is an apocalyptic number.

797777955 is a deficient number, since it is larger than the sum of its proper divisors (797188509).

797777955 is a wasteful number, since it uses less digits than its factorization.

797777955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 962 counting only the distinct ones).

The product of its digits is 34034175, while the sum is 63.

The square root of 797777955 is about 28244.9633563225. The cubic root of 797777955 is about 927.4574847981.

The spelling of 797777955 in words is "seven hundred ninety-seven million, seven hundred seventy-seven thousand, nine hundred fifty-five".