76630720319 has 4 divisors (see below), whose sum is σ = 78499762320. Its totient is φ = 74761678320.

The previous prime is 76630720301. The next prime is 76630720349. The reversal of 76630720319 is 91302703667.

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 76630720319 - 2⁸ = 76630720063 is a prime.

It is a super-2 number, since 2×76630720319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76630720319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76630720349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934520939 + ... + 934521020.

It is an arithmetic number, because the mean of its divisors is an integer number (19624940580).

Almost surely, 2^76630720319 is an apocalyptic number.

76630720319 is a deficient number, since it is larger than the sum of its proper divisors (1869042001).

76630720319 is a wasteful number, since it uses less digits than its factorization.

76630720319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869042000.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 76630720319 in words is "seventy-six billion, six hundred thirty million, seven hundred twenty thousand, three hundred nineteen".