76735971412 has 24 divisors (see below), whose sum is σ = 134762027400. Its totient is φ = 38232725376.

The previous prime is 76735971379. The next prime is 76735971461. The reversal of 76735971412 is 21417953767.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5999122116 + 70736849296 = 77454^2 + 265964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76735971412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640298 + ... + 1686430.

It is an arithmetic number, because the mean of its divisors is an integer number (5615084475).

Almost surely, 2^76735971412 is an apocalyptic number.

It is an amenable number.

76735971412 is a deficient number, since it is larger than the sum of its proper divisors (58026055988).

76735971412 is a wasteful number, since it uses less digits than its factorization.

76735971412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47595 (or 47593 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 52.

The spelling of 76735971412 in words is "seventy-six billion, seven hundred thirty-five million, nine hundred seventy-one thousand, four hundred twelve".