7931623142 has 16 divisors (see below), whose sum is σ = 12104370432. Its totient is φ = 3897197640.

The previous prime is 7931623127. The next prime is 7931623153. The reversal of 7931623142 is 2413261397.

It is a junction number, because it is equal to n+sod(n) for n = 7931623096 and 7931623105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47378 + ... + 134565.

It is an arithmetic number, because the mean of its divisors is an integer number (756523152).

Almost surely, 2^7931623142 is an apocalyptic number.

7931623142 is a deficient number, since it is larger than the sum of its proper divisors (4172747290).

7931623142 is a wasteful number, since it uses less digits than its factorization.

7931623142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182323.

The product of its digits is 54432, while the sum is 38.

The square root of 7931623142 is about 89059.6605764922. The cubic root of 7931623142 is about 1994.2856169631.

The spelling of 7931623142 in words is "seven billion, nine hundred thirty-one million, six hundred twenty-three thousand, one hundred forty-two".