97474278384 has 240 divisors, whose sum is σ = 325400048064. Its totient is φ = 26657280000.

The previous prime is 97474278383. The next prime is 97474278397. The reversal of 97474278384 is 48387247479.

97474278384 is a `hidden beast` number, since 9 + 7 + 474 + 2 + 7 + 83 + 84 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97474278383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2168134 + ... + 2212634.

Almost surely, 2^97474278384 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 97474278384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162700024032).

97474278384 is an abundant number, since it is smaller than the sum of its proper divisors (227925769680).

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

97474278384 is a wasteful number, since it uses less digits than its factorization.

97474278384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44616 (or 44607 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 97474278384 in words is "ninety-seven billion, four hundred seventy-four million, two hundred seventy-eight thousand, three hundred eighty-four".