84887164 has 6 divisors (see below), whose sum is σ = 148552544. Its totient is φ = 42443580.

The previous prime is 84887149. The next prime is 84887177. The reversal of 84887164 is 46178848.

It is a happy number.

It is a super-2 number, since 2×84887164² = 14411661223925792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610892 + ... + 10610899.

Almost surely, 2^84887164 is an apocalyptic number.

It is an amenable number.

84887164 is a deficient number, since it is larger than the sum of its proper divisors (63665380).

84887164 is a wasteful number, since it uses less digits than its factorization.

84887164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221795 (or 21221793 counting only the distinct ones).

The product of its digits is 344064, while the sum is 46.

The square root of 84887164 is about 9213.4230338132. The cubic root of 84887164 is about 439.4883239353.

The spelling of 84887164 in words is "eighty-four million, eight hundred eighty-seven thousand, one hundred sixty-four".