77604531352 has 32 divisors (see below), whose sum is σ = 147959079120. Its totient is φ = 38149338240.

The previous prime is 77604531337. The next prime is 77604531371. The reversal of 77604531352 is 25313540677.

It is a junction number, because it is equal to n+sod(n) for n = 77604531299 and 77604531308.

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, 1111458 + ... + 1179214.

Almost surely, 2^77604531352 is an apocalyptic number.

It is an amenable number.

77604531352 is a deficient number, since it is larger than the sum of its proper divisors (70354547768).

77604531352 is a wasteful number, since it uses less digits than its factorization.

77604531352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70171 (or 70167 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 77604531352 in words is "seventy-seven billion, six hundred four million, five hundred thirty-one thousand, three hundred fifty-two".