97028426880 has 512 divisors, whose sum is σ = 428443084800. Its totient is φ = 20161474560.

The previous prime is 97028426879. The next prime is 97028426899. The reversal of 97028426880 is 8862482079.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1294099 + ... + 1367021.

It is an arithmetic number, because the mean of its divisors is an integer number (836802900).

Almost surely, 2^97028426880 is an apocalyptic number.

97028426880 is a gapful number since it is divisible by the number (90) 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 97028426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214221542400).

97028426880 is an abundant number, since it is smaller than the sum of its proper divisors (331414657920).

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

97028426880 is a wasteful number, since it uses less digits than its factorization.

97028426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72969 (or 72951 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 97028426880 in words is "ninety-seven billion, twenty-eight million, four hundred twenty-six thousand, eight hundred eighty".