77413433438 has 64 divisors (see below), whose sum is σ = 129449926656. Its totient is φ = 34428240000.

The previous prime is 77413433429. The next prime is 77413433453. The reversal of 77413433438 is 83433431477.

It is a junction number, because it is equal to n+sod(n) for n = 77413433392 and 77413433401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112030673 + ... + 112031363.

It is an arithmetic number, because the mean of its divisors is an integer number (2022655104).

Almost surely, 2^77413433438 is an apocalyptic number.

77413433438 is a deficient number, since it is larger than the sum of its proper divisors (52036493218).

77413433438 is a wasteful number, since it uses less digits than its factorization.

77413433438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its digits is 2032128, while the sum is 47.

The spelling of 77413433438 in words is "seventy-seven billion, four hundred thirteen million, four hundred thirty-three thousand, four hundred thirty-eight".