77930634 has 16 divisors (see below), whose sum is σ = 155957760. Its totient is φ = 25960800.

The previous prime is 77930623. The next prime is 77930641. The reversal of 77930634 is 43603977.

It is a junction number, because it is equal to n+sod(n) for n = 77930592 and 77930601.

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, 10534 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (9747360).

Almost surely, 2^77930634 is an apocalyptic number.

77930634 is an abundant number, since it is smaller than the sum of its proper divisors (78027126).

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

77930634 is a wasteful number, since it uses less digits than its factorization.

77930634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 77930634 is about 8827.8329164071. The cubic root of 77930634 is about 427.1391736645.

It can be divided in two parts, 779 and 30634, that added together give a palindrome (31413).

The spelling of 77930634 in words is "seventy-seven million, nine hundred thirty thousand, six hundred thirty-four".