97887390 has 16 divisors (see below), whose sum is σ = 234929808. Its totient is φ = 26103296.

The previous prime is 97887359. The next prime is 97887407. The reversal of 97887390 is 9378879.

It is a happy number.

It is a super-2 number, since 2×97887390² = 19163882242024200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631427 + ... + 1631486.

It is an arithmetic number, because the mean of its divisors is an integer number (14683113).

Almost surely, 2^97887390 is an apocalyptic number.

97887390 is an abundant number, since it is smaller than the sum of its proper divisors (137042418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97887390 is a wasteful number, since it uses less digits than its factorization.

97887390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262923.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 97887390 is about 9893.8056378726. The cubic root of 97887390 is about 460.8669692676.

The spelling of 97887390 in words is "ninety-seven million, eight hundred eighty-seven thousand, three hundred ninety".