77522029434 has 24 divisors (see below), whose sum is σ = 168697875060. Its totient is φ = 25727833728.

The previous prime is 77522029397. The next prime is 77522029493. The reversal of 77522029434 is 43492022577.

77522029434 is a `hidden beast` number, since 7 + 7 + 5 + 2 + 202 + 9 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77314583025 + 207446409 = 278055^2 + 14403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77522029434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9399327 + ... + 9407570.

Almost surely, 2^77522029434 is an apocalyptic number.

77522029434 is an abundant number, since it is smaller than the sum of its proper divisors (91175845626).

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

77522029434 is a wasteful number, since it uses less digits than its factorization.

77522029434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18807134 (or 18807131 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 77522029434 in words is "seventy-seven billion, five hundred twenty-two million, twenty-nine thousand, four hundred thirty-four".