7640677965 has 32 divisors (see below), whose sum is σ = 13011359616. Its totient is φ = 3815424000.

The previous prime is 7640677951. The next prime is 7640677987. The reversal of 7640677965 is 5697760467.

It is not a de Polignac number, because 7640677965 - 2¹⁶ = 7640612429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28411 + ... + 126840.

It is an arithmetic number, because the mean of its divisors is an integer number (406604988).

Almost surely, 2^7640677965 is an apocalyptic number.

It is an amenable number.

7640677965 is a deficient number, since it is larger than the sum of its proper divisors (5370681651).

7640677965 is a wasteful number, since it uses less digits than its factorization.

7640677965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155469.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The square root of 7640677965 is about 87410.9716511606. The cubic root of 7640677965 is about 1969.5966574417.

The spelling of 7640677965 in words is "seven billion, six hundred forty million, six hundred seventy-seven thousand, nine hundred sixty-five".