77440036700667 has 16 divisors (see below), whose sum is σ = 103513430200320. Its totient is φ = 51496775845632.

The previous prime is 77440036700617. The next prime is 77440036700783. The reversal of 77440036700667 is 76600763004477.

It is not a de Polignac number, because 77440036700667 - 2¹² = 77440036696571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77440036700617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10733083 + ... + 16434084.

It is an arithmetic number, because the mean of its divisors is an integer number (6469589387520).

Almost surely, 2^{77440036700667} is an apocalyptic number.

77440036700667 is a deficient number, since it is larger than the sum of its proper divisors (26073393499653).

77440036700667 is a wasteful number, since it uses less digits than its factorization.

77440036700667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27169562.

The product of its (nonzero) digits is 24893568, while the sum is 57.

The spelling of 77440036700667 in words is "seventy-seven trillion, four hundred forty billion, thirty-six million, seven hundred thousand, six hundred sixty-seven".