88245421 has 6 divisors (see below), whose sum is σ = 96997166. Its totient is φ = 80223000.

The previous prime is 88245413. The next prime is 88245427. The reversal of 88245421 is 12454288.

It can be written as a sum of positive squares in only one way, i.e., 83356900 + 4888521 = 9130^2 + 2211^2 .

It is not a de Polignac number, because 88245421 - 2³ = 88245413 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 (88245427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364530 + ... + 364771.

Almost surely, 2^88245421 is an apocalyptic number.

It is an amenable number.

88245421 is a deficient number, since it is larger than the sum of its proper divisors (8751745).

88245421 is a wasteful number, since it uses less digits than its factorization.

88245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729323 (or 729312 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 88245421 is about 9393.9033952878. The cubic root of 88245421 is about 445.2091278128.

The spelling of 88245421 in words is "eighty-eight million, two hundred forty-five thousand, four hundred twenty-one".