80892381 has 8 divisors (see below), whose sum is σ = 109156320. Its totient is φ = 53278352.

The previous prime is 80892379. The next prime is 80892407. The reversal of 80892381 is 18329808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80892381 - 2¹ = 80892379 is a prime.

It is a super-2 number, since 2×80892381² = 13087154607698322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80892181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162186 + ... + 162683.

It is an arithmetic number, because the mean of its divisors is an integer number (13644540).

Almost surely, 2^80892381 is an apocalyptic number.

It is an amenable number.

80892381 is a deficient number, since it is larger than the sum of its proper divisors (28263939).

80892381 is a wasteful number, since it uses less digits than its factorization.

80892381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324955.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 80892381 is about 8994.0191794325. The cubic root of 80892381 is about 432.4831646136.

The spelling of 80892381 in words is "eighty million, eight hundred ninety-two thousand, three hundred eighty-one".