88402068 has 72 divisors (see below), whose sum is σ = 231567336. Its totient is φ = 28416000.

The previous prime is 88402043. The next prime is 88402081. The reversal of 88402068 is 86020488.

It can be written as a sum of positive squares in 4 ways, for example, as 17539344 + 70862724 = 4188^2 + 8418^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148780 + ... + 149372.

It is an arithmetic number, because the mean of its divisors is an integer number (3216213).

Almost surely, 2^88402068 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 88402068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115783668).

88402068 is an abundant number, since it is smaller than the sum of its proper divisors (143165268).

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

88402068 is a wasteful number, since it uses less digits than its factorization.

88402068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 88402068 is about 9402.2373933017. The cubic root of 88402068 is about 445.4724066242.

The spelling of 88402068 in words is "eighty-eight million, four hundred two thousand, sixty-eight".