97722798 has 16 divisors (see below), whose sum is σ = 196266240. Its totient is φ = 32437496.

The previous prime is 97722787. The next prime is 97722799. The reversal of 97722798 is 89722779.

It is a self number, because there is not a number n which added to its sum of digits gives 97722798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97722799) 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, 32640 + ... + 35507.

It is an arithmetic number, because the mean of its divisors is an integer number (12266640).

Almost surely, 2^97722798 is an apocalyptic number.

97722798 is an abundant number, since it is smaller than the sum of its proper divisors (98543442).

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

97722798 is a wasteful number, since it uses less digits than its factorization.

97722798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68391.

The product of its digits is 889056, while the sum is 51.

The square root of 97722798 is about 9885.4842066537. The cubic root of 97722798 is about 460.6085172809.

The spelling of 97722798 in words is "ninety-seven million, seven hundred twenty-two thousand, seven hundred ninety-eight".