80757378 has 128 divisors (see below), whose sum is σ = 209744640. Its totient is φ = 22809600.

The previous prime is 80757349. The next prime is 80757379. The reversal of 80757378 is 87375708.

80757378 is a `hidden beast` number, since 8 + 0 + 7 + 573 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (80757379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 799528 + ... + 799628.

It is an arithmetic number, because the mean of its divisors is an integer number (1638630).

Almost surely, 2^80757378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80757378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104872320).

80757378 is an abundant number, since it is smaller than the sum of its proper divisors (128987262).

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

80757378 is a wasteful number, since it uses less digits than its factorization.

80757378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 80757378 is about 8986.5108913304. The cubic root of 80757378 is about 432.2424372219.

It can be divided in two parts, 807 and 57378, that added together give a palindrome (58185).

The spelling of 80757378 in words is "eighty million, seven hundred fifty-seven thousand, three hundred seventy-eight".