97647792 has 80 divisors (see below), whose sum is σ = 278791680. Its totient is φ = 29203200.

The previous prime is 97647787. The next prime is 97647829. The reversal of 97647792 is 29774679.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40542 + ... + 42882.

It is an arithmetic number, because the mean of its divisors is an integer number (3484896).

Almost surely, 2^97647792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97647792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139395840).

97647792 is an abundant number, since it is smaller than the sum of its proper divisors (181143888).

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

97647792 is a wasteful number, since it uses less digits than its factorization.

97647792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2436 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 51.

The square root of 97647792 is about 9881.6897340485. The cubic root of 97647792 is about 460.4906422098.

The spelling of 97647792 in words is "ninety-seven million, six hundred forty-seven thousand, seven hundred ninety-two".