77670380934 has 48 divisors (see below), whose sum is σ = 177498360000. Its totient is φ = 24478281648.

The previous prime is 77670380903. The next prime is 77670381077. The reversal of 77670380934 is 43908307677.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 56904 + ... + 398219.

It is an arithmetic number, because the mean of its divisors is an integer number (3697882500).

Almost surely, 2^77670380934 is an apocalyptic number.

77670380934 is an abundant number, since it is smaller than the sum of its proper divisors (99827979066).

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

77670380934 is a wasteful number, since it uses less digits than its factorization.

77670380934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455649 (or 455646 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 77670380934 in words is "seventy-seven billion, six hundred seventy million, three hundred eighty thousand, nine hundred thirty-four".