77533413690 has 32 divisors (see below), whose sum is σ = 186088202496. Its totient is φ = 20674687040.

The previous prime is 77533413637. The next prime is 77533413733. The reversal of 77533413690 is 9631433577.

It is a super-2 number, since 2×77533413690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952495 + ... + 1030685.

It is an arithmetic number, because the mean of its divisors is an integer number (5815256328).

Almost surely, 2^77533413690 is an apocalyptic number.

77533413690 is an abundant number, since it is smaller than the sum of its proper divisors (108554788806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77533413690 is a wasteful number, since it uses less digits than its factorization.

77533413690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111254.

The product of its (nonzero) digits is 1428840, while the sum is 48.

The spelling of 77533413690 in words is "seventy-seven billion, five hundred thirty-three million, four hundred thirteen thousand, six hundred ninety".