86877216 has 36 divisors (see below), whose sum is σ = 247057902. Its totient is φ = 28958976.

The previous prime is 86877209. The next prime is 86877223. The reversal of 86877216 is 61277868.

It is an interprime number because it is at equal distance from previous prime (86877209) and next prime (86877223).

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 40908816 = 6780^2 + 6396^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150541 + ... + 151116.

Almost surely, 2^86877216 is an apocalyptic number.

It is an amenable number.

86877216 is an abundant number, since it is smaller than the sum of its proper divisors (160180686).

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

86877216 is a wasteful number, since it uses less digits than its factorization.

86877216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301673 (or 301662 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 86877216 is about 9320.7948158942. The cubic root of 86877216 is about 442.8962112503.

The spelling of 86877216 in words is "eighty-six million, eight hundred seventy-seven thousand, two hundred sixteen".