80933907 has 4 divisors (see below), whose sum is σ = 107911880. Its totient is φ = 53955936.

The previous prime is 80933893. The next prime is 80933921. The reversal of 80933907 is 70933908.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80933893) and next prime (80933921).

It is not a de Polignac number, because 80933907 - 2⁴ = 80933891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80933947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13488982 + ... + 13488987.

It is an arithmetic number, because the mean of its divisors is an integer number (26977970).

Almost surely, 2^80933907 is an apocalyptic number.

80933907 is a deficient number, since it is larger than the sum of its proper divisors (26977973).

80933907 is a wasteful number, since it uses less digits than its factorization.

80933907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26977972.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 80933907 is about 8996.3274173409. The cubic root of 80933907 is about 432.5571568463.

Subtracting from 80933907 its reverse (70933908), we obtain a palindrome (9999999).

It can be divided in two parts, 809 and 33907, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 80933907 in words is "eighty million, nine hundred thirty-three thousand, nine hundred seven".