88428285 has 24 divisors (see below), whose sum is σ = 167210784. Its totient is φ = 42874080.

The previous prime is 88428269. The next prime is 88428287. The reversal of 88428285 is 58282488.

It is not a de Polignac number, because 88428285 - 2⁴ = 88428269 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 88428285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88428287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88827 + ... + 89816.

It is an arithmetic number, because the mean of its divisors is an integer number (6967116).

Almost surely, 2^88428285 is an apocalyptic number.

It is an amenable number.

88428285 is a deficient number, since it is larger than the sum of its proper divisors (78782499).

88428285 is a wasteful number, since it uses less digits than its factorization.

88428285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178665 (or 178662 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 88428285 is about 9403.6314793807. The cubic root of 88428285 is about 445.5164395147.

The spelling of 88428285 in words is "eighty-eight million, four hundred twenty-eight thousand, two hundred eighty-five".