7958839542 has 8 divisors (see below), whose sum is σ = 15917679096. Its totient is φ = 2652946512.

The previous prime is 7958839541. The next prime is 7958839549. The reversal of 7958839542 is 2459388597.

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

7958839542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7958839541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663236623 + ... + 663236634.

It is an arithmetic number, because the mean of its divisors is an integer number (1989709887).

Almost surely, 2^7958839542 is an apocalyptic number.

7958839542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7958839542 is a wasteful number, since it uses less digits than its factorization.

7958839542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326473262.

The product of its digits is 21772800, while the sum is 60.

The square root of 7958839542 is about 89212.3284193390. The cubic root of 7958839542 is about 1996.5640623800.

The spelling of 7958839542 in words is "seven billion, nine hundred fifty-eight million, eight hundred thirty-nine thousand, five hundred forty-two".