80693955 has 32 divisors (see below), whose sum is σ = 143877120. Its totient is φ = 42910560.

The previous prime is 80693941. The next prime is 80693957. The reversal of 80693955 is 55939608.

It is not a de Polignac number, because 80693955 - 2⁴ = 80693939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 80693955.

It is not an unprimeable number, because it can be changed into a prime (80693957) 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, 61860 + ... + 63150.

It is an arithmetic number, because the mean of its divisors is an integer number (4496160).

Almost surely, 2^80693955 is an apocalyptic number.

80693955 is a deficient number, since it is larger than the sum of its proper divisors (63183165).

80693955 is a wasteful number, since it uses less digits than its factorization.

80693955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 80693955 is about 8982.9814093095. The cubic root of 80693955 is about 432.1292533763.

The spelling of 80693955 in words is "eighty million, six hundred ninety-three thousand, nine hundred fifty-five".