90977655 has 8 divisors (see below), whose sum is σ = 145564272. Its totient is φ = 48521408.

The previous prime is 90977617. The next prime is 90977699. The reversal of 90977655 is 55677909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90977655 - 2¹² = 90973559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032574 + ... + 3032603.

It is an arithmetic number, because the mean of its divisors is an integer number (18195534).

Almost surely, 2^90977655 is an apocalyptic number.

90977655 is a deficient number, since it is larger than the sum of its proper divisors (54586617).

90977655 is a wasteful number, since it uses less digits than its factorization.

90977655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065185.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 90977655 is about 9538.2207460302. The cubic root of 90977655 is about 449.7573259454.

The spelling of 90977655 in words is "ninety million, nine hundred seventy-seven thousand, six hundred fifty-five".