88421607 has 12 divisors (see below), whose sum is σ = 135233280. Its totient is φ = 55480128.

The previous prime is 88421603. The next prime is 88421623. The reversal of 88421607 is 70612488.

88421607 is a `hidden beast` number, since 8 + 8 + 42 + 1 + 607 = 666.

It is not a de Polignac number, because 88421607 - 2² = 88421603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88421603) 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, 288807 + ... + 289112.

It is an arithmetic number, because the mean of its divisors is an integer number (11269440).

Almost surely, 2^88421607 is an apocalyptic number.

88421607 is a deficient number, since it is larger than the sum of its proper divisors (46811673).

88421607 is a wasteful number, since it uses less digits than its factorization.

88421607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577942 (or 577939 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88421607 is about 9403.2763970863. The cubic root of 88421607 is about 445.5052242734.

The spelling of 88421607 in words is "eighty-eight million, four hundred twenty-one thousand, six hundred seven".