77007207385 has 16 divisors (see below), whose sum is σ = 97279358400. Its totient is φ = 58359099456.

The previous prime is 77007207379. The next prime is 77007207437. The reversal of 77007207385 is 58370270077.

It is a cyclic number.

It is not a de Polignac number, because 77007207385 - 2²⁷ = 76872989657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032182 + ... + 2069728.

It is an arithmetic number, because the mean of its divisors is an integer number (6079959900).

Almost surely, 2^77007207385 is an apocalyptic number.

It is an amenable number.

77007207385 is a deficient number, since it is larger than the sum of its proper divisors (20272151015).

77007207385 is a wasteful number, since it uses less digits than its factorization.

77007207385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59160.

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 77007207385 in words is "seventy-seven billion, seven million, two hundred seven thousand, three hundred eighty-five".