974340578687 has 16 divisors (see below), whose sum is σ = 1117107394560. Its totient is φ = 832469799168.

The previous prime is 974340578677. The next prime is 974340578693. The reversal of 974340578687 is 786875043479.

It is not a de Polignac number, because 974340578687 - 2²⁶ = 974273469823 is a prime.

It is a super-2 number, since 2×974340578687² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974340578647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5270639 + ... + 5452367.

It is an arithmetic number, because the mean of its divisors is an integer number (69819212160).

Almost surely, 2^974340578687 is an apocalyptic number.

974340578687 is a deficient number, since it is larger than the sum of its proper divisors (142766815873).

974340578687 is a wasteful number, since it uses less digits than its factorization.

974340578687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184190.

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 974340578687 in words is "nine hundred seventy-four billion, three hundred forty million, five hundred seventy-eight thousand, six hundred eighty-seven".