7700791064 has 8 divisors (see below), whose sum is σ = 14438983260. Its totient is φ = 3850395528.

The previous prime is 7700791061. The next prime is 7700791073. The reversal of 7700791064 is 4601970077.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7700791064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700791061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481299434 + ... + 481299449.

Almost surely, 2^7700791064 is an apocalyptic number.

It is an amenable number.

7700791064 is a deficient number, since it is larger than the sum of its proper divisors (6738192196).

7700791064 is a wasteful number, since it uses less digits than its factorization.

7700791064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962598889 (or 962598885 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 7700791064 is about 87754.1512636297. The cubic root of 7700791064 is about 1974.7484432262.

The spelling of 7700791064 in words is "seven billion, seven hundred million, seven hundred ninety-one thousand, sixty-four".