88920078 has 32 divisors (see below), whose sum is σ = 193687200. Its totient is φ = 27050496.

The previous prime is 88920077. The next prime is 88920079. The reversal of 88920078 is 87002988.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88920077) and next prime (88920079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88920077) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 538 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (6052725).

Almost surely, 2^88920078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88920078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96843600).

88920078 is an abundant number, since it is smaller than the sum of its proper divisors (104767122).

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

88920078 is a wasteful number, since it uses less digits than its factorization.

88920078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 88920078 is about 9429.7443231511. The cubic root of 88920078 is about 446.3408248310.

The spelling of 88920078 in words is "eighty-eight million, nine hundred twenty thousand, seventy-eight".