77389675534 has 8 divisors (see below), whose sum is σ = 117553937760. Its totient is φ = 38205029616.

The previous prime is 77389675469. The next prime is 77389675541. The reversal of 77389675534 is 43557698377.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244903879 + ... + 244904194.

It is an arithmetic number, because the mean of its divisors is an integer number (14694242220).

Almost surely, 2^77389675534 is an apocalyptic number.

77389675534 is a deficient number, since it is larger than the sum of its proper divisors (40164262226).

77389675534 is a wasteful number, since it uses less digits than its factorization.

77389675534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489808154.

The product of its digits is 133358400, while the sum is 64.

The spelling of 77389675534 in words is "seventy-seven billion, three hundred eighty-nine million, six hundred seventy-five thousand, five hundred thirty-four".