65977048663 has 2 divisors, whose sum is σ = 65977048664. Its totient is φ = 65977048662.

The previous prime is 65977048601. The next prime is 65977048729. The reversal of 65977048663 is 36684077956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65977048663 - 2²⁵ = 65943494231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65977043663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32988524331 + 32988524332.

It is an arithmetic number, because the mean of its divisors is an integer number (32988524332).

Almost surely, 2^65977048663 is an apocalyptic number.

65977048663 is a deficient number, since it is larger than the sum of its proper divisors (1).

65977048663 is an equidigital number, since it uses as much as digits as its factorization.

65977048663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 65977048663 in words is "sixty-five billion, nine hundred seventy-seven million, forty-eight thousand, six hundred sixty-three".