97049880 has 128 divisors (see below), whose sum is σ = 337651200. Its totient is φ = 24748416.

The previous prime is 97049851. The next prime is 97049881. The reversal of 97049880 is 8894079.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97049881) 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 31 ways as a sum of consecutive naturals, for example, 22887 + ... + 26793.

It is an arithmetic number, because the mean of its divisors is an integer number (2637900).

Almost surely, 2^97049880 is an apocalyptic number.

97049880 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 97049880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168825600).

97049880 is an abundant number, since it is smaller than the sum of its proper divisors (240601320).

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

97049880 is a wasteful number, since it uses less digits than its factorization.

97049880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 97049880 is about 9851.3897496749. The cubic root of 97049880 is about 459.5488330034.

The spelling of 97049880 in words is "ninety-seven million, forty-nine thousand, eight hundred eighty".