97888427 has 32 divisors (see below), whose sum is σ = 127344000. Its totient is φ = 74680704.

The previous prime is 97888411. The next prime is 97888429. The reversal of 97888427 is 72488879.

It is a happy number.

It is not a de Polignac number, because 97888427 - 2⁴ = 97888411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97888429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128933 + ... + 129689.

It is an arithmetic number, because the mean of its divisors is an integer number (3979500).

Almost surely, 2^97888427 is an apocalyptic number.

97888427 is a deficient number, since it is larger than the sum of its proper divisors (29455573).

97888427 is a wasteful number, since it uses less digits than its factorization.

97888427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 806 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 53.

The square root of 97888427 is about 9893.8580442616. The cubic root of 97888427 is about 460.8685967069.

The spelling of 97888427 in words is "ninety-seven million, eight hundred eighty-eight thousand, four hundred twenty-seven".