89470899381 has 16 divisors (see below), whose sum is σ = 121793025600. Its totient is φ = 58402606080.

The previous prime is 89470899361. The next prime is 89470899403. The reversal of 89470899381 is 18399807498.

It is not a de Polignac number, because 89470899381 - 2²² = 89466705077 is a prime.

It is a super-2 number, since 2×89470899381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89470899361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494956 + ... + 651093.

It is an arithmetic number, because the mean of its divisors is an integer number (7612064100).

Almost surely, 2^89470899381 is an apocalyptic number.

It is an amenable number.

89470899381 is a deficient number, since it is larger than the sum of its proper divisors (32322126219).

89470899381 is a wasteful number, since it uses less digits than its factorization.

89470899381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146596.

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 89470899381 in words is "eighty-nine billion, four hundred seventy million, eight hundred ninety-nine thousand, three hundred eighty-one".