97139480087040 has 160 divisors (see below), whose sum is σ = 310551082940736. Its totient is φ = 25903168389120.

The previous prime is 97139480087021. The next prime is 97139480087051. The reversal of 97139480087040 is 4078008493179.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328502455 + ... + 328798025.

Almost surely, 2^{97139480087040} is an apocalyptic number.

It is an amenable number.

97139480087040 is an abundant number, since it is smaller than the sum of its proper divisors (213411602853696).

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

97139480087040 is a wasteful number, since it uses less digits than its factorization.

97139480087040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338390 (or 338374 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 97139480087040 in words is "ninety-seven trillion, one hundred thirty-nine billion, four hundred eighty million, eighty-seven thousand, forty".