7700777001 has 20 divisors (see below), whose sum is σ = 11516706432. Its totient is φ = 5128015608.

The previous prime is 7700776981. The next prime is 7700777047. The reversal of 7700777001 is 1007770077.

It is not a de Polignac number, because 7700777001 - 2²² = 7696582697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7700777401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18256 + ... + 125438.

Almost surely, 2^7700777001 is an apocalyptic number.

It is an amenable number.

7700777001 is a deficient number, since it is larger than the sum of its proper divisors (3815929431).

7700777001 is a wasteful number, since it uses less digits than its factorization.

7700777001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108082 (or 108073 counting only the distinct ones).

The product of its (nonzero) digits is 16807, while the sum is 36.

The square root of 7700777001 is about 87754.0711363296. The cubic root of 7700777001 is about 1974.7472411460.

The spelling of 7700777001 in words is "seven billion, seven hundred million, seven hundred seventy-seven thousand, one".