97785292 has 24 divisors (see below), whose sum is σ = 197663760. Its totient is φ = 41832960.

The previous prime is 97785283. The next prime is 97785293. The reversal of 97785292 is 29258779.

It is not an unprimeable number, because it can be changed into a prime (97785293) 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 7 ways as a sum of consecutive naturals, for example, 64617 + ... + 66112.

It is an arithmetic number, because the mean of its divisors is an integer number (8235990).

Almost surely, 2^97785292 is an apocalyptic number.

It is an amenable number.

97785292 is an abundant number, since it is smaller than the sum of its proper divisors (99878468).

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

97785292 is a wasteful number, since it uses less digits than its factorization.

97785292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130761 (or 130759 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 97785292 is about 9888.6445987304. The cubic root of 97785292 is about 460.7066831657.

The spelling of 97785292 in words is "ninety-seven million, seven hundred eighty-five thousand, two hundred ninety-two".