773997372118 has 16 divisors (see below), whose sum is σ = 1197437701824. Its totient is φ = 375014521600.

The previous prime is 773997372107. The next prime is 773997372133. The reversal of 773997372118 is 811273799377.

It is a happy number.

It is a super-3 number, since 3×773997372118³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 773997372118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40752955 + ... + 40771942.

It is an arithmetic number, because the mean of its divisors is an integer number (74839856364).

Almost surely, 2^773997372118 is an apocalyptic number.

773997372118 is a deficient number, since it is larger than the sum of its proper divisors (423440329706).

773997372118 is a wasteful number, since it uses less digits than its factorization.

773997372118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81525047.

The product of its digits is 28005264, while the sum is 64.

The spelling of 773997372118 in words is "seven hundred seventy-three billion, nine hundred ninety-seven million, three hundred seventy-two thousand, one hundred eighteen".