97899670 has 16 divisors (see below), whose sum is σ = 192239568. Its totient is φ = 35599840.

The previous prime is 97899667. The next prime is 97899671. The reversal of 97899670 is 7699879.

It is a super-2 number, since 2×97899670² = 19168690772217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97899671) 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, 444889 + ... + 445108.

It is an arithmetic number, because the mean of its divisors is an integer number (12014973).

Almost surely, 2^97899670 is an apocalyptic number.

97899670 is a deficient number, since it is larger than the sum of its proper divisors (94339898).

97899670 is a wasteful number, since it uses less digits than its factorization.

97899670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890015.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 97899670 is about 9894.4262087298. The cubic root of 97899670 is about 460.8862404245.

The spelling of 97899670 in words is "ninety-seven million, eight hundred ninety-nine thousand, six hundred seventy".