80818375 has 32 divisors (see below), whose sum is σ = 112207680. Its totient is φ = 57616000.

The previous prime is 80818369. The next prime is 80818379. The reversal of 80818375 is 57381808.

It is not a de Polignac number, because 80818375 - 2⁷ = 80818247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80818379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72321 + ... + 73429.

It is an arithmetic number, because the mean of its divisors is an integer number (3506490).

Almost surely, 2^80818375 is an apocalyptic number.

80818375 is a deficient number, since it is larger than the sum of its proper divisors (31389305).

80818375 is a wasteful number, since it uses less digits than its factorization.

80818375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 80818375 is about 8989.9040595548. The cubic root of 80818375 is about 432.3512357710.

The spelling of 80818375 in words is "eighty million, eight hundred eighteen thousand, three hundred seventy-five".