80137750 has 128 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 23760000.

The previous prime is 80137747. The next prime is 80137769. The reversal of 80137750 is 5773108.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 442660 + ... + 442840.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^80137750 is an apocalyptic number.

80137750 is an abundant number, since it is smaller than the sum of its proper divisors (116107754).

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

80137750 is a wasteful number, since it uses less digits than its factorization.

80137750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 80137750 is about 8951.9690571404. The cubic root of 80137750 is about 431.1341073445.

The spelling of 80137750 in words is "eighty million, one hundred thirty-seven thousand, seven hundred fifty".