89439927474 has 16 divisors (see below), whose sum is σ = 179575888608. Its totient is φ = 29697303552.

The previous prime is 89439927463. The next prime is 89439927509. The reversal of 89439927474 is 47472993498.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28999732 + ... + 29002815.

It is an arithmetic number, because the mean of its divisors is an integer number (11223493038).

Almost surely, 2^89439927474 is an apocalyptic number.

89439927474 is an abundant number, since it is smaller than the sum of its proper divisors (90135961134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89439927474 is a wasteful number, since it uses less digits than its factorization.

89439927474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58002809.

The product of its digits is 109734912, while the sum is 66.

The spelling of 89439927474 in words is "eighty-nine billion, four hundred thirty-nine million, nine hundred twenty-seven thousand, four hundred seventy-four".