88726591 has 2 divisors, whose sum is σ = 88726592. Its totient is φ = 88726590.

The previous prime is 88726577. The next prime is 88726597. The reversal of 88726591 is 19562788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88726591 - 2¹⁵ = 88693823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88726597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44363295 + 44363296.

It is an arithmetic number, because the mean of its divisors is an integer number (44363296).

Almost surely, 2^88726591 is an apocalyptic number.

88726591 is a deficient number, since it is larger than the sum of its proper divisors (1).

88726591 is an equidigital number, since it uses as much as digits as its factorization.

88726591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 88726591 is about 9419.4793380526. The cubic root of 88726591 is about 446.0168490220.

The spelling of 88726591 in words is "eighty-eight million, seven hundred twenty-six thousand, five hundred ninety-one".