18364077 has 20 divisors (see below), whose sum is σ = 27599616. Its totient is φ = 12168360.

The previous prime is 18364067. The next prime is 18364091. The reversal of 18364077 is 77046381.

18364077 is a `hidden beast` number, since 1 + 8 + 3 + 640 + 7 + 7 = 666.

It is not a de Polignac number, because 18364077 - 2⁴ = 18364061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18364037) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14878 + ... + 16064.

Almost surely, 2^18364077 is an apocalyptic number.

It is an amenable number.

18364077 is a deficient number, since it is larger than the sum of its proper divisors (9235539).

18364077 is a wasteful number, since it uses less digits than its factorization.

18364077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 18364077 is about 4285.3327758763. The cubic root of 18364077 is about 263.8293059808.

The spelling of 18364077 in words is "eighteen million, three hundred sixty-four thousand, seventy-seven".