76121012605 has 32 divisors (see below), whose sum is σ = 102492551808. Its totient is φ = 53785555200.

The previous prime is 76121012483. The next prime is 76121012629. The reversal of 76121012605 is 50621012167.

It is not a de Polignac number, because 76121012605 - 2²⁵ = 76087458173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379119 + ... + 1433251.

It is an arithmetic number, because the mean of its divisors is an integer number (3202892244).

Almost surely, 2^76121012605 is an apocalyptic number.

It is an amenable number.

76121012605 is a deficient number, since it is larger than the sum of its proper divisors (26371539203).

76121012605 is a wasteful number, since it uses less digits than its factorization.

76121012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54877.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 76121012605 in words is "seventy-six billion, one hundred twenty-one million, twelve thousand, six hundred five".