80757495 has 144 divisors (see below), whose sum is σ = 182250432. Its totient is φ = 32348160.

The previous prime is 80757451. The next prime is 80757499. The reversal of 80757495 is 59475708.

It is not a de Polignac number, because 80757495 - 2²⁵ = 47203063 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 80757495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80757499) 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 143 ways as a sum of consecutive naturals, for example, 1969675 + ... + 1969715.

It is an arithmetic number, because the mean of its divisors is an integer number (1265628).

Almost surely, 2^80757495 is an apocalyptic number.

80757495 is an abundant number, since it is smaller than the sum of its proper divisors (101492937).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80757495 is a wasteful number, since it uses less digits than its factorization.

80757495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 80757495 is about 8986.5174010848. The cubic root of 80757495 is about 432.2426459638.

The spelling of 80757495 in words is "eighty million, seven hundred fifty-seven thousand, four hundred ninety-five".