80115750 has 256 divisors, whose sum is σ = 264176640. Its totient is φ = 17712000.

The previous prime is 80115731. The next prime is 80115773. The reversal of 80115750 is 5751108.

80115750 is a `hidden beast` number, since 80 + 11 + 575 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 965209 + ... + 965291.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^80115750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80115750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

80115750 is an abundant number, since it is smaller than the sum of its proper divisors (184060890).

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

80115750 is a wasteful number, since it uses less digits than its factorization.

80115750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 80115750 is about 8950.7401928556. The cubic root of 80115750 is about 431.0946510398.

Adding to 80115750 its reverse (5751108), we get a palindrome (85866858).

The spelling of 80115750 in words is "eighty million, one hundred fifteen thousand, seven hundred fifty".