97378828 has 12 divisors (see below), whose sum is σ = 170700712. Its totient is φ = 48607200.

The previous prime is 97378823. The next prime is 97378829. The reversal of 97378828 is 82887379.

It is a super-2 number, since 2×97378828² = 18965272285307168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97378823) 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 3 ways as a sum of consecutive naturals, for example, 17850 + ... + 22657.

Almost surely, 2^97378828 is an apocalyptic number.

It is an amenable number.

97378828 is a deficient number, since it is larger than the sum of its proper divisors (73321884).

97378828 is a wasteful number, since it uses less digits than its factorization.

97378828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41112 (or 41110 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 97378828 is about 9868.0711387788. The cubic root of 97378828 is about 460.0674570259.

The spelling of 97378828 in words is "ninety-seven million, three hundred seventy-eight thousand, eight hundred twenty-eight".