90922776 has 64 divisors (see below), whose sum is σ = 264211200. Its totient is φ = 25534848.

The previous prime is 90922751. The next prime is 90922781. The reversal of 90922776 is 67722909.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5326 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (4128300).

Almost surely, 2^90922776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90922776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132105600).

90922776 is an abundant number, since it is smaller than the sum of its proper divisors (173288424).

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

90922776 is a wasteful number, since it uses less digits than its factorization.

90922776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 90922776 is about 9535.3435176715. The cubic root of 90922776 is about 449.6668744426. Note that the first 3 decimals are identical.

The spelling of 90922776 in words is "ninety million, nine hundred twenty-two thousand, seven hundred seventy-six".