18977658060074 has 16 divisors (see below), whose sum is σ = 33289712478528. Its totient is φ = 7944135931872.

The previous prime is 18977658060073. The next prime is 18977658060079. The reversal of 18977658060074 is 47006085677981.

It is a junction number, because it is equal to n+sod(n) for n = 18977658059986 and 18977658060013.

It is not an unprimeable number, because it can be changed into a prime (18977658060073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15762173867 + ... + 15762175070.

It is an arithmetic number, because the mean of its divisors is an integer number (2080607029908).

Almost surely, 2^{18977658060074} is an apocalyptic number.

18977658060074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18977658060074 is a deficient number, since it is larger than the sum of its proper divisors (14312054418454).

18977658060074 is a wasteful number, since it uses less digits than its factorization.

18977658060074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31524348989.

The product of its (nonzero) digits is 142248960, while the sum is 68.

The spelling of 18977658060074 in words is "eighteen trillion, nine hundred seventy-seven billion, six hundred fifty-eight million, sixty thousand, seventy-four".