88290913 has 2 divisors, whose sum is σ = 88290914. Its totient is φ = 88290912.

The previous prime is 88290907. The next prime is 88290919. The reversal of 88290913 is 31909288.

It is a balanced prime because it is at equal distance from previous prime (88290907) and next prime (88290919).

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 42146064 = 6793^2 + 6492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88290913 is a prime.

It is not a weakly prime, because it can be changed into another prime (88290919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44145456 + 44145457.

It is an arithmetic number, because the mean of its divisors is an integer number (44145457).

Almost surely, 2^88290913 is an apocalyptic number.

It is an amenable number.

88290913 is a deficient number, since it is larger than the sum of its proper divisors (1).

88290913 is an equidigital number, since it uses as much as digits as its factorization.

88290913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 88290913 is about 9396.3244409716. The cubic root of 88290913 is about 445.2856189367.

The spelling of 88290913 in words is "eighty-eight million, two hundred ninety thousand, nine hundred thirteen".