77134110774 has 48 divisors (see below), whose sum is σ = 179477047296. Its totient is φ = 22035594000.

The previous prime is 77134110733. The next prime is 77134110787. The reversal of 77134110774 is 47701143177.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 4563559 + ... + 4580429.

It is an arithmetic number, because the mean of its divisors is an integer number (3739105152).

Almost surely, 2^77134110774 is an apocalyptic number.

77134110774 is an abundant number, since it is smaller than the sum of its proper divisors (102342936522).

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

77134110774 is a wasteful number, since it uses less digits than its factorization.

77134110774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441 (or 32434 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 42.

The spelling of 77134110774 in words is "seventy-seven billion, one hundred thirty-four million, one hundred ten thousand, seven hundred seventy-four".