90977216 has 28 divisors (see below), whose sum is σ = 196946520. Its totient is φ = 41352960.

The previous prime is 90977189. The next prime is 90977221. The reversal of 90977216 is 61277909.

It is a happy number.

It is a super-2 number, since 2×90977216² = 16553707662221312, 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 in 3 ways as a sum of consecutive naturals, for example, 63911 + ... + 65318.

Almost surely, 2^90977216 is an apocalyptic number.

It is an amenable number.

90977216 is an abundant number, since it is smaller than the sum of its proper divisors (105969304).

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

90977216 is a wasteful number, since it uses less digits than its factorization.

90977216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129252 (or 129242 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 90977216 is about 9538.1977333247. The cubic root of 90977216 is about 449.7566025305.

It can be divided in two parts, 909 and 77216, that added together give a 7-th power (78125 = 5⁷).

The spelling of 90977216 in words is "ninety million, nine hundred seventy-seven thousand, two hundred sixteen".