97799572 has 48 divisors (see below), whose sum is σ = 196333200. Its totient is φ = 42227712.

The previous prime is 97799557. The next prime is 97799573. The reversal of 97799572 is 27599779.

It can be written as a sum of positive squares in 8 ways, for example, as 3825936 + 93973636 = 1956^2 + 9694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97799573) by changing a digit.

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, 280054 + ... + 280402.

It is an arithmetic number, because the mean of its divisors is an integer number (4090275).

Almost surely, 2^97799572 is an apocalyptic number.

It is an amenable number.

97799572 is an abundant number, since it is smaller than the sum of its proper divisors (98533628).

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

97799572 is a wasteful number, since it uses less digits than its factorization.

97799572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 55.

The square root of 97799572 is about 9889.3666126805. The cubic root of 97799572 is about 460.7291083896.

The spelling of 97799572 in words is "ninety-seven million, seven hundred ninety-nine thousand, five hundred seventy-two".