88415772 has 48 divisors (see below), whose sum is σ = 216034560. Its totient is φ = 28091008.

The previous prime is 88415753. The next prime is 88415777. The reversal of 88415772 is 27751488.

It is a super-4 number, since 4×88415772⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88415777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155104 + ... + 155672.

It is an arithmetic number, because the mean of its divisors is an integer number (4500720).

Almost surely, 2^88415772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88415772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108017280).

88415772 is an abundant number, since it is smaller than the sum of its proper divisors (127618788).

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

88415772 is a wasteful number, since it uses less digits than its factorization.

88415772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 88415772 is about 9402.9661277705. The cubic root of 88415772 is about 445.4954243302.

The spelling of 88415772 in words is "eighty-eight million, four hundred fifteen thousand, seven hundred seventy-two".