88720357 has 16 divisors (see below), whose sum is σ = 101813760. Its totient is φ = 76564800.

The previous prime is 88720343. The next prime is 88720381. The reversal of 88720357 is 75302788.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88720357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88720757) 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, 15619 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (6363360).

Almost surely, 2^88720357 is an apocalyptic number.

It is an amenable number.

88720357 is a deficient number, since it is larger than the sum of its proper divisors (13093403).

88720357 is a wasteful number, since it uses less digits than its factorization.

88720357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 88720357 is about 9419.1484222301. The cubic root of 88720357 is about 446.0064029459.

Subtracting from 88720357 its reverse (75302788), we obtain a square (13417569 = 3663²).

The spelling of 88720357 in words is "eighty-eight million, seven hundred twenty thousand, three hundred fifty-seven".