88728378 has 16 divisors (see below), whose sum is σ = 177850560. Its totient is φ = 29510496.

The previous prime is 88728377. The next prime is 88728401. The reversal of 88728378 is 87382788.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88728378.

It is not an unprimeable number, because it can be changed into a prime (88728373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13438 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (11115660).

Almost surely, 2^88728378 is an apocalyptic number.

88728378 is an abundant number, since it is smaller than the sum of its proper divisors (89122182).

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

88728378 is a wasteful number, since it uses less digits than its factorization.

88728378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32821.

The product of its digits is 1204224, while the sum is 51.

The square root of 88728378 is about 9419.5741941980. The cubic root of 88728378 is about 446.0198433395.

The spelling of 88728378 in words is "eighty-eight million, seven hundred twenty-eight thousand, three hundred seventy-eight".