97794774 has 96 divisors (see below), whose sum is σ = 271454976. Its totient is φ = 24701760.

The previous prime is 97794751. The next prime is 97794779. The reversal of 97794774 is 47749779.

It is a super-2 number, since 2×97794774² = 19127635643422152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97794774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97794779) 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, 50329 + ... + 52235.

It is an arithmetic number, because the mean of its divisors is an integer number (2827656).

Almost surely, 2^97794774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97794774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135727488).

97794774 is an abundant number, since it is smaller than the sum of its proper divisors (173660202).

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

97794774 is a wasteful number, since it uses less digits than its factorization.

97794774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1967 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 97794774 is about 9889.1240259186. The cubic root of 97794774 is about 460.7215738835.

The spelling of 97794774 in words is "ninety-seven million, seven hundred ninety-four thousand, seven hundred seventy-four".