18677024889457 has 8 divisors (see below), whose sum is σ = 20420314725600. Its totient is φ = 16941298133760.

The previous prime is 18677024889437. The next prime is 18677024889469. The reversal of 18677024889457 is 75498842077681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18677024889457 - 2¹⁵ = 18677024856689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18677024889437) 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, 1890764943 + ... + 1890774820.

It is an arithmetic number, because the mean of its divisors is an integer number (2552539340700).

Almost surely, 2^{18677024889457} is an apocalyptic number.

It is an amenable number.

18677024889457 is a deficient number, since it is larger than the sum of its proper divisors (1743289836143).

18677024889457 is a wasteful number, since it uses less digits than its factorization.

18677024889457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781540223.

The product of its (nonzero) digits is 1517322240, while the sum is 76.

The spelling of 18677024889457 in words is "eighteen trillion, six hundred seventy-seven billion, twenty-four million, eight hundred eighty-nine thousand, four hundred fifty-seven".