80922361 has 16 divisors (see below), whose sum is σ = 89331984. Its totient is φ = 72843264.

The previous prime is 80922343. The next prime is 80922371. The reversal of 80922361 is 16322908.

It can be written as a sum of positive squares in 8 ways, for example, as 15555136 + 65367225 = 3944^2 + 8085^2 .

It is not a de Polignac number, because 80922361 - 2²³ = 72533753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80922301) 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, 176845 + ... + 177301.

It is an arithmetic number, because the mean of its divisors is an integer number (5583249).

Almost surely, 2^80922361 is an apocalyptic number.

It is an amenable number.

80922361 is a deficient number, since it is larger than the sum of its proper divisors (8409623).

80922361 is a wasteful number, since it uses less digits than its factorization.

80922361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 80922361 is about 8995.6856881507. The cubic root of 80922361 is about 432.5365863890.

The spelling of 80922361 in words is "eighty million, nine hundred twenty-two thousand, three hundred sixty-one".