76870094731 has 4 divisors (see below), whose sum is σ = 76919403600. Its totient is φ = 76820785864.

The previous prime is 76870094723. The next prime is 76870094779. The reversal of 76870094731 is 13749007867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76870094731 - 2³ = 76870094723 is a prime.

It is a super-2 number, since 2×76870094731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76870094701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24652096 + ... + 24655213.

It is an arithmetic number, because the mean of its divisors is an integer number (19229850900).

Almost surely, 2^76870094731 is an apocalyptic number.

76870094731 is a deficient number, since it is larger than the sum of its proper divisors (49308869).

76870094731 is a wasteful number, since it uses less digits than its factorization.

76870094731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49308868.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 76870094731 in words is "seventy-six billion, eight hundred seventy million, ninety-four thousand, seven hundred thirty-one".