77907613307 has 8 divisors (see below), whose sum is σ = 78121406976. Its totient is φ = 77694081192.

The previous prime is 77907613279. The next prime is 77907613313. The reversal of 77907613307 is 70331670977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77907613307 - 2³⁶ = 9188136571 is a prime.

It is a super-2 number, since 2×77907613307² (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 (77907613337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538778 + ... + 667904.

It is an arithmetic number, because the mean of its divisors is an integer number (9765175872).

Almost surely, 2^77907613307 is an apocalyptic number.

77907613307 is a deficient number, since it is larger than the sum of its proper divisors (213793669).

77907613307 is a wasteful number, since it uses less digits than its factorization.

77907613307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130777.

The product of its (nonzero) digits is 1166886, while the sum is 50.

The spelling of 77907613307 in words is "seventy-seven billion, nine hundred seven million, six hundred thirteen thousand, three hundred seven".