77243014065 has 32 divisors (see below), whose sum is σ = 141866634240. Its totient is φ = 35155525824.

The previous prime is 77243014039. The next prime is 77243014097. The reversal of 77243014065 is 56041034277.

It is not a de Polignac number, because 77243014065 - 2²⁶ = 77175905201 is a prime.

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, 1596535 + ... + 1644204.

It is an arithmetic number, because the mean of its divisors is an integer number (4433332320).

Almost surely, 2^77243014065 is an apocalyptic number.

It is an amenable number.

77243014065 is a deficient number, since it is larger than the sum of its proper divisors (64623620175).

77243014065 is a wasteful number, since it uses less digits than its factorization.

77243014065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240981.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 77243014065 in words is "seventy-seven billion, two hundred forty-three million, fourteen thousand, sixty-five".