97378087403540 has 12 divisors (see below), whose sum is σ = 204493983547476. Its totient is φ = 38951234961408.

The previous prime is 97378087403521. The next prime is 97378087403617. The reversal of 97378087403540 is 4530478087379.

It can be written as a sum of positive squares in 2 ways, for example, as 22012874636944 + 75365212766596 = 4691788^2 + 8681314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434452185069 + ... + 2434452185108.

It is an arithmetic number, because the mean of its divisors is an integer number (17041165295623).

Almost surely, 2^{97378087403540} is an apocalyptic number.

It is an amenable number.

97378087403540 is an abundant number, since it is smaller than the sum of its proper divisors (107115896143936).

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

97378087403540 is a wasteful number, since it uses less digits than its factorization.

97378087403540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868904370186 (or 4868904370184 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 97378087403540 in words is "ninety-seven trillion, three hundred seventy-eight billion, eighty-seven million, four hundred three thousand, five hundred forty".