80953875 has 48 divisors (see below), whose sum is σ = 147038112. Its totient is φ = 42849600.

The previous prime is 80953871. The next prime is 80953897. The reversal of 80953875 is 57835908.

It is not a de Polignac number, because 80953875 - 2² = 80953871 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 80953875.

It is not an unprimeable number, because it can be changed into a prime (80953871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255217 + ... + 255533.

It is an arithmetic number, because the mean of its divisors is an integer number (3063294).

Almost surely, 2^80953875 is an apocalyptic number.

80953875 is a deficient number, since it is larger than the sum of its proper divisors (66084237).

80953875 is a wasteful number, since it uses less digits than its factorization.

80953875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 80953875 is about 8997.4371350957. The cubic root of 80953875 is about 432.5927273976.

The spelling of 80953875 in words is "eighty million, nine hundred fifty-three thousand, eight hundred seventy-five".