90077716 has 6 divisors (see below), whose sum is σ = 157636010. Its totient is φ = 45038856.

The previous prime is 90077711. The next prime is 90077717. The reversal of 90077716 is 61777009.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 23001616 = 8190^2 + 4796^2 .

It is a super-2 number, since 2×90077716² = 16227989839553312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90077711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11259711 + ... + 11259718.

Almost surely, 2^90077716 is an apocalyptic number.

It is an amenable number.

90077716 is a deficient number, since it is larger than the sum of its proper divisors (67558294).

90077716 is a wasteful number, since it uses less digits than its factorization.

90077716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22519433 (or 22519431 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 90077716 is about 9490.9280894968. The cubic root of 90077716 is about 448.2694289714.

The spelling of 90077716 in words is "ninety million, seventy-seven thousand, seven hundred sixteen".