90877536 has 36 divisors (see below), whose sum is σ = 258433812. Its totient is φ = 30292416.

The previous prime is 90877519. The next prime is 90877537. The reversal of 90877536 is 63577809.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 90877491 and 90877500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90877537) 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 5 ways as a sum of consecutive naturals, for example, 157486 + ... + 158061.

It is an arithmetic number, because the mean of its divisors is an integer number (7178717).

Almost surely, 2^90877536 is an apocalyptic number.

90877536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90877536 is an abundant number, since it is smaller than the sum of its proper divisors (167556276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90877536 is a wasteful number, since it uses less digits than its factorization.

90877536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315563 (or 315552 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 90877536 is about 9532.9709954452. The cubic root of 90877536 is about 449.5922825556.

The spelling of 90877536 in words is "ninety million, eight hundred seventy-seven thousand, five hundred thirty-six".