77134651630 has 8 divisors (see below), whose sum is σ = 138842372952. Its totient is φ = 30853860648.

The previous prime is 77134651621. The next prime is 77134651637. The reversal of 77134651630 is 3615643177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77134651637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856732572 + ... + 3856732591.

It is an arithmetic number, because the mean of its divisors is an integer number (17355296619).

Almost surely, 2^77134651630 is an apocalyptic number.

77134651630 is a deficient number, since it is larger than the sum of its proper divisors (61707721322).

77134651630 is a wasteful number, since it uses less digits than its factorization.

77134651630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713465170.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 77134651630 in words is "seventy-seven billion, one hundred thirty-four million, six hundred fifty-one thousand, six hundred thirty".