90777063 has 16 divisors (see below), whose sum is σ = 131816160. Its totient is φ = 55233024.

The previous prime is 90777031. The next prime is 90777077. The reversal of 90777063 is 36077709.

It is not a de Polignac number, because 90777063 - 2⁵ = 90777031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90777013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (8238510).

Almost surely, 2^90777063 is an apocalyptic number.

90777063 is a deficient number, since it is larger than the sum of its proper divisors (41039097).

90777063 is a wasteful number, since it uses less digits than its factorization.

90777063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26258.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 90777063 is about 9527.6997748670. The cubic root of 90777063 is about 449.4265337000.

It can be divided in two parts, 9077706 and 3, that added together give a palindrome (9077709).

The spelling of 90777063 in words is "ninety million, seven hundred seventy-seven thousand, sixty-three".