74889455498847 has 48 divisors (see below), whose sum is σ = 125920178841600. Its totient is φ = 42409706647680.

The previous prime is 74889455498827. The next prime is 74889455498867.

74889455498847 is a `hidden beast` number, since 7 + 4 + 8 + 8 + 9 + 4 + 554 + 9 + 8 + 8 + 47 = 666.

74889455498847 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (74889455498827) and next prime (74889455498867).

It is not a de Polignac number, because 74889455498847 - 2⁸ = 74889455498591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74889455498807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272558847 + ... + 272833472.

It is an arithmetic number, because the mean of its divisors is an integer number (2623337059200).

Almost surely, 2^{74889455498847} is an apocalyptic number.

74889455498847 is a deficient number, since it is larger than the sum of its proper divisors (51030723342753).

74889455498847 is a wasteful number, since it uses less digits than its factorization.

74889455498847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545392428 (or 545392425 counting only the distinct ones).

The product of its digits is 104044953600, while the sum is 90.

The spelling of 74889455498847 in words is "seventy-four trillion, eight hundred eighty-nine billion, four hundred fifty-five million, four hundred ninety-eight thousand, eight hundred forty-seven".