97902196784 has 120 divisors (see below), whose sum is σ = 233915318640. Its totient is φ = 39442464768.

The previous prime is 97902196783. The next prime is 97902196807. The reversal of 97902196784 is 48769120979.

It is not an unprimeable number, because it can be changed into a prime (97902196783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12377759 + ... + 12385665.

It is an arithmetic number, because the mean of its divisors is an integer number (1949294322).

Almost surely, 2^97902196784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97902196784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116957659320).

97902196784 is an abundant number, since it is smaller than the sum of its proper divisors (136013121856).

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

97902196784 is a wasteful number, since it uses less digits than its factorization.

97902196784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875 (or 8862 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 97902196784 in words is "ninety-seven billion, nine hundred two million, one hundred ninety-six thousand, seven hundred eighty-four".