90773850 has 48 divisors (see below), whose sum is σ = 226324800. Its totient is φ = 24076800.

The previous prime is 90773833. The next prime is 90773867. The reversal of 90773850 is 5837709.

It is an interprime number because it is at equal distance from previous prime (90773833) and next prime (90773867).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90773799 and 90773808.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 28330 + ... + 31370.

It is an arithmetic number, because the mean of its divisors is an integer number (4715100).

Almost surely, 2^90773850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90773850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113162400).

90773850 is an abundant number, since it is smaller than the sum of its proper divisors (135550950).

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

90773850 is a wasteful number, since it uses less digits than its factorization.

90773850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 90773850 is about 9527.5311597496. The cubic root of 90773850 is about 449.4212312427.

The spelling of 90773850 in words is "ninety million, seven hundred seventy-three thousand, eight hundred fifty".