80922786 has 64 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 20946816.

The previous prime is 80922757. The next prime is 80922823. The reversal of 80922786 is 68722908.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16150 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^80922786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80922786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101606400).

80922786 is an abundant number, since it is smaller than the sum of its proper divisors (122290014).

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

80922786 is a wasteful number, since it uses less digits than its factorization.

80922786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 80922786 is about 8995.7093105547. The cubic root of 80922786 is about 432.5373436075.

It can be divided in two parts, 8092 and 2786, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 80922786 in words is "eighty million, nine hundred twenty-two thousand, seven hundred eighty-six".