7874286487641 has 32 divisors (see below), whose sum is σ = 13389344766720. Its totient is φ = 4480280698752.

The previous prime is 7874286487621. The next prime is 7874286487657. The reversal of 7874286487641 is 1467846824787.

It is a happy number.

7874286487641 is a `hidden beast` number, since 7 + 8 + 7 + 4 + 2 + 86 + 487 + 64 + 1 = 666.

It is not a de Polignac number, because 7874286487641 - 2¹⁸ = 7874286225497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7874286487641.

It is not an unprimeable number, because it can be changed into a prime (7874286487601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89361310 + ... + 89449383.

It is an arithmetic number, because the mean of its divisors is an integer number (418417023960).

Almost surely, 2^{7874286487641} is an apocalyptic number.

It is an amenable number.

7874286487641 is a deficient number, since it is larger than the sum of its proper divisors (5515058279079).

7874286487641 is a wasteful number, since it uses less digits than its factorization.

7874286487641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178810942 (or 178810936 counting only the distinct ones).

The product of its digits is 809238528, while the sum is 72.

The spelling of 7874286487641 in words is "seven trillion, eight hundred seventy-four billion, two hundred eighty-six million, four hundred eighty-seven thousand, six hundred forty-one".