88426521 has 12 divisors (see below), whose sum is σ = 128166948. Its totient is φ = 58748064.

The previous prime is 88426511. The next prime is 88426531. The reversal of 88426521 is 12562488.

It is an interprime number because it is at equal distance from previous prime (88426511) and next prime (88426531).

It can be written as a sum of positive squares in 2 ways, for example, as 77792400 + 10634121 = 8820^2 + 3261^2 .

It is not a de Polignac number, because 88426521 - 2⁵ = 88426489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88426501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14130 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (10680579).

Almost surely, 2^88426521 is an apocalyptic number.

It is an amenable number.

88426521 is a deficient number, since it is larger than the sum of its proper divisors (39740427).

88426521 is a wasteful number, since it uses less digits than its factorization.

88426521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832 (or 33829 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 88426521 is about 9403.5376853608. The cubic root of 88426521 is about 445.5134770530.

The spelling of 88426521 in words is "eighty-eight million, four hundred twenty-six thousand, five hundred twenty-one".