88278725 has 12 divisors (see below), whose sum is σ = 110531616. Its totient is φ = 69935280.

The previous prime is 88278721. The next prime is 88278727. The reversal of 88278725 is 52787288.

It is not a de Polignac number, because 88278725 - 2² = 88278721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88278725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88278721) 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 11 ways as a sum of consecutive naturals, for example, 14567 + ... + 19716.

It is an arithmetic number, because the mean of its divisors is an integer number (9210968).

Almost surely, 2^88278725 is an apocalyptic number.

It is an amenable number.

88278725 is a deficient number, since it is larger than the sum of its proper divisors (22252891).

88278725 is a wasteful number, since it uses less digits than its factorization.

88278725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34396 (or 34391 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The square root of 88278725 is about 9395.6758671210. The cubic root of 88278725 is about 445.2651283763.

The spelling of 88278725 in words is "eighty-eight million, two hundred seventy-eight thousand, seven hundred twenty-five".