88136641 has 2 divisors, whose sum is σ = 88136642. Its totient is φ = 88136640.

The previous prime is 88136579. The next prime is 88136647. The reversal of 88136641 is 14663188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 246016 = 9375^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 88136641 - 2⁹ = 88136129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88136641.

It is not a weakly prime, because it can be changed into another prime (88136647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44068320 + 44068321.

It is an arithmetic number, because the mean of its divisors is an integer number (44068321).

Almost surely, 2^88136641 is an apocalyptic number.

It is an amenable number.

88136641 is a deficient number, since it is larger than the sum of its proper divisors (1).

88136641 is an equidigital number, since it uses as much as digits as its factorization.

88136641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 88136641 is about 9388.1116844656. Note that the first 3 decimals coincide. The cubic root of 88136641 is about 445.0261163816.

The spelling of 88136641 in words is "eighty-eight million, one hundred thirty-six thousand, six hundred forty-one".