80872575 has 24 divisors (see below), whose sum is σ = 152811648. Its totient is φ = 36970080.

The previous prime is 80872559. The next prime is 80872579. The reversal of 80872575 is 57527808.

It is a happy number.

It is not a de Polignac number, because 80872575 - 2⁴ = 80872559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80872579) 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 23 ways as a sum of consecutive naturals, for example, 76497 + ... + 77546.

It is an arithmetic number, because the mean of its divisors is an integer number (6367152).

Almost surely, 2^80872575 is an apocalyptic number.

80872575 is a deficient number, since it is larger than the sum of its proper divisors (71939073).

80872575 is a wasteful number, since it uses less digits than its factorization.

80872575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154063 (or 154058 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 80872575 is about 8992.9180469968. The cubic root of 80872575 is about 432.4478647883.

The spelling of 80872575 in words is "eighty million, eight hundred seventy-two thousand, five hundred seventy-five".