65197832907 has 16 divisors (see below), whose sum is σ = 88138738688. Its totient is φ = 42864577920.

The previous prime is 65197832873. The next prime is 65197832933. The reversal of 65197832907 is 70923879156.

It is not a de Polignac number, because 65197832907 - 2⁷ = 65197832779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65197832407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363283 + ... + 512220.

It is an arithmetic number, because the mean of its divisors is an integer number (5508671168).

Almost surely, 2^65197832907 is an apocalyptic number.

65197832907 is a deficient number, since it is larger than the sum of its proper divisors (22940905781).

65197832907 is a wasteful number, since it uses less digits than its factorization.

65197832907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875850.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 65197832907 in words is "sixty-five billion, one hundred ninety-seven million, eight hundred thirty-two thousand, nine hundred seven".