90477976 has 8 divisors (see below), whose sum is σ = 169646220. Its totient is φ = 45238984.

The previous prime is 90477973. The next prime is 90477979. The reversal of 90477976 is 67977409.

It is an interprime number because it is at equal distance from previous prime (90477973) and next prime (90477979).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90477973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5654866 + ... + 5654881.

Almost surely, 2^90477976 is an apocalyptic number.

It is an amenable number.

90477976 is a deficient number, since it is larger than the sum of its proper divisors (79168244).

90477976 is a wasteful number, since it uses less digits than its factorization.

90477976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309753 (or 11309749 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 90477976 is about 9511.9911690455. The cubic root of 90477976 is about 448.9324091423.

The spelling of 90477976 in words is "ninety million, four hundred seventy-seven thousand, nine hundred seventy-six".