90976455 has 12 divisors (see below), whose sum is σ = 157692600. Its totient is φ = 48520752.

The previous prime is 90976453. The next prime is 90976463. The reversal of 90976455 is 55467909.

It is a happy number.

It is not a de Polignac number, because 90976455 - 2¹ = 90976453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2021699 = 90976455 / (9 + 0 + 9 + 7 + 6 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 90976455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90976453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010805 + ... + 1010894.

It is an arithmetic number, because the mean of its divisors is an integer number (13141050).

Almost surely, 2^90976455 is an apocalyptic number.

90976455 is a deficient number, since it is larger than the sum of its proper divisors (66716145).

90976455 is a wasteful number, since it uses less digits than its factorization.

90976455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021710 (or 2021707 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 90976455 is about 9538.1578410089. The cubic root of 90976455 is about 449.7553484959.

The spelling of 90976455 in words is "ninety million, nine hundred seventy-six thousand, four hundred fifty-five".