77522475522 has 32 divisors (see below), whose sum is σ = 161800011648. Its totient is φ = 24715175936.

The previous prime is 77522475473. The next prime is 77522475533. The reversal of 77522475522 is 22557422577.

It is a super-2 number, since 2×77522475522² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2617348 + ... + 2646800.

It is an arithmetic number, because the mean of its divisors is an integer number (5056250364).

Almost surely, 2^77522475522 is an apocalyptic number.

77522475522 is an abundant number, since it is smaller than the sum of its proper divisors (84277536126).

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

77522475522 is a wasteful number, since it uses less digits than its factorization.

77522475522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48554.

The product of its digits is 2744000, while the sum is 48.

The spelling of 77522475522 in words is "seventy-seven billion, five hundred twenty-two million, four hundred seventy-five thousand, five hundred twenty-two".