18075764377 has 16 divisors (see below), whose sum is σ = 20582968320. Its totient is φ = 15713011600.

The previous prime is 18075764269. The next prime is 18075764389. The reversal of 18075764377 is 77346757081.

It is a de Polignac number, because none of the positive numbers 2^k-18075764377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18075764677) 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, 931302 + ... + 950512.

It is an arithmetic number, because the mean of its divisors is an integer number (1286435520).

Almost surely, 2^18075764377 is an apocalyptic number.

It is an amenable number.

18075764377 is a deficient number, since it is larger than the sum of its proper divisors (2507203943).

18075764377 is a wasteful number, since it uses less digits than its factorization.

18075764377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22964.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 18075764377 in words is "eighteen billion, seventy-five million, seven hundred sixty-four thousand, three hundred seventy-seven".