97789086 has 32 divisors (see below), whose sum is σ = 228748800. Its totient is φ = 30880440.

The previous prime is 97789061. The next prime is 97789091. The reversal of 97789086 is 68098779.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46630 + ... + 48681.

It is an arithmetic number, because the mean of its divisors is an integer number (7148400).

Almost surely, 2^97789086 is an apocalyptic number.

97789086 is an abundant number, since it is smaller than the sum of its proper divisors (130959714).

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

97789086 is a wasteful number, since it uses less digits than its factorization.

97789086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95341 (or 95335 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 97789086 is about 9888.8364330694. The cubic root of 97789086 is about 460.7126414528.

The spelling of 97789086 in words is "ninety-seven million, seven hundred eighty-nine thousand, eighty-six".