97294423128 has 192 divisors, whose sum is σ = 299822918400. Its totient is φ = 26160019200.

The previous prime is 97294423117. The next prime is 97294423133. The reversal of 97294423128 is 82132449279.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3359526 + ... + 3388362.

It is an arithmetic number, because the mean of its divisors is an integer number (1561577700).

Almost surely, 2^97294423128 is an apocalyptic number.

97294423128 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97294423128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149911459200).

97294423128 is an abundant number, since it is smaller than the sum of its proper divisors (202528495272).

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

97294423128 is a wasteful number, since it uses less digits than its factorization.

97294423128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29030 (or 29019 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 97294423128 in words is "ninety-seven billion, two hundred ninety-four million, four hundred twenty-three thousand, one hundred twenty-eight".