88400425 has 12 divisors (see below), whose sum is σ = 116065116. Its totient is φ = 66560000.

The previous prime is 88400423. The next prime is 88400453. The reversal of 88400425 is 52400488.

It can be written as a sum of positive squares in 6 ways, for example, as 4293184 + 84107241 = 2072^2 + 9171^2 .

It is not a de Polignac number, because 88400425 - 2¹ = 88400423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88400423) 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 11 ways as a sum of consecutive naturals, for example, 103576 + ... + 104425.

It is an arithmetic number, because the mean of its divisors is an integer number (9672093).

Almost surely, 2^88400425 is an apocalyptic number.

88400425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88400425 is a deficient number, since it is larger than the sum of its proper divisors (27664691).

88400425 is a wasteful number, since it uses less digits than its factorization.

88400425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208028 (or 208023 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 88400425 is about 9402.1500200752. The cubic root of 88400425 is about 445.4696468256.

The spelling of 88400425 in words is "eighty-eight million, four hundred thousand, four hundred twenty-five".