7869584642 has 16 divisors (see below), whose sum is σ = 12319715520. Its totient is φ = 3763071312.

The previous prime is 7869584627. The next prime is 7869584689. The reversal of 7869584642 is 2464859687.

It is a happy number.

It is a super-3 number, since 3×7869584642³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361709 + ... + 382847.

It is an arithmetic number, because the mean of its divisors is an integer number (769982220).

Almost surely, 2^7869584642 is an apocalyptic number.

7869584642 is a deficient number, since it is larger than the sum of its proper divisors (4450130878).

7869584642 is a wasteful number, since it uses less digits than its factorization.

7869584642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29257.

The product of its digits is 23224320, while the sum is 59.

The square root of 7869584642 is about 88710.6794134731. The cubic root of 7869584642 is about 1989.0724566373.

The spelling of 7869584642 in words is "seven billion, eight hundred sixty-nine million, five hundred eighty-four thousand, six hundred forty-two".