97868890 has 16 divisors (see below), whose sum is σ = 201330432. Its totient is φ = 33555024.

The previous prime is 97868879. The next prime is 97868893. The reversal of 97868890 is 9886879.

It is not an unprimeable number, because it can be changed into a prime (97868893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698994 + ... + 699133.

It is an arithmetic number, because the mean of its divisors is an integer number (12583152).

Almost surely, 2^97868890 is an apocalyptic number.

97868890 is an abundant number, since it is smaller than the sum of its proper divisors (103461542).

97868890 is a wasteful number, since it uses less digits than its factorization.

97868890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398141.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 97868890 is about 9892.8706652821. The cubic root of 97868890 is about 460.8379339441.

The spelling of 97868890 in words is "ninety-seven million, eight hundred sixty-eight thousand, eight hundred ninety".