18774486380707 has 4 divisors (see below), whose sum is σ = 18774577083760. Its totient is φ = 18774395677656.

The previous prime is 18774486380681. The next prime is 18774486380723. The reversal of 18774486380707 is 70708368447781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18774486380707 - 2¹⁹ = 18774485856419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18774486390707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45040332 + ... + 45455257.

It is an arithmetic number, because the mean of its divisors is an integer number (4693644270940).

Almost surely, 2^{18774486380707} is an apocalyptic number.

18774486380707 is a deficient number, since it is larger than the sum of its proper divisors (90703053).

18774486380707 is an equidigital number, since it uses as much as digits as its factorization.

18774486380707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90703052.

The product of its (nonzero) digits is 354041856, while the sum is 70.

The spelling of 18774486380707 in words is "eighteen trillion, seven hundred seventy-four billion, four hundred eighty-six million, three hundred eighty thousand, seven hundred seven".