7874286487642 has 8 divisors (see below), whose sum is σ = 11813422566816. Its totient is φ = 3936478965372.

The previous prime is 7874286487621. The next prime is 7874286487657. The reversal of 7874286487642 is 2467846824787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7874286487642² (a number of 27 digits) contains 22 as substring.

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, 332124408 + ... + 332148115.

It is an arithmetic number, because the mean of its divisors is an integer number (1476677820852).

Almost surely, 2^{7874286487642} is an apocalyptic number.

7874286487642 is a deficient number, since it is larger than the sum of its proper divisors (3939136079174).

7874286487642 is a wasteful number, since it uses less digits than its factorization.

7874286487642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664278452.

The product of its digits is 1618477056, while the sum is 73.

The spelling of 7874286487642 in words is "seven trillion, eight hundred seventy-four billion, two hundred eighty-six million, four hundred eighty-seven thousand, six hundred forty-two".