88720025 has 24 divisors (see below), whose sum is σ = 122626080. Its totient is φ = 63279360.

The previous prime is 88720003. The next prime is 88720031. The reversal of 88720025 is 52002788.

It is a de Polignac number, because none of the positive numbers 2^k-88720025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88719973 and 88720000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2582 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (5109420).

Almost surely, 2^88720025 is an apocalyptic number.

88720025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88720025 is a deficient number, since it is larger than the sum of its proper divisors (33906055).

88720025 is a wasteful number, since it uses less digits than its factorization.

88720025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033 (or 11028 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 88720025 is about 9419.1307985397. The cubic root of 88720025 is about 446.0058466124.

The spelling of 88720025 in words is "eighty-eight million, seven hundred twenty thousand, twenty-five".