97270839792 has 640 divisors, whose sum is σ = 341978112000. Its totient is φ = 25891467264.

The previous prime is 97270839769. The next prime is 97270839821. The reversal of 97270839792 is 29793807279.

97270839792 is a `hidden beast` number, since 97 + 2 + 70 + 8 + 397 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 278712834 + ... + 278713182.

It is an arithmetic number, because the mean of its divisors is an integer number (534340800).

Almost surely, 2^97270839792 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 97270839792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170989056000).

97270839792 is an abundant number, since it is smaller than the sum of its proper divisors (244707272208).

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

97270839792 is a wasteful number, since it uses less digits than its factorization.

97270839792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 97270839792 in words is "ninety-seven billion, two hundred seventy million, eight hundred thirty-nine thousand, seven hundred ninety-two".