7992890942 has 4 divisors (see below), whose sum is σ = 11989336416. Its totient is φ = 3996445470.

The previous prime is 7992890831. The next prime is 7992890947. The reversal of 7992890942 is 2490982997.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7992890942² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7992890947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998222734 + ... + 1998222737.

It is an arithmetic number, because the mean of its divisors is an integer number (2997334104).

Almost surely, 2^7992890942 is an apocalyptic number.

7992890942 is a deficient number, since it is larger than the sum of its proper divisors (3996445474).

7992890942 is a wasteful number, since it uses less digits than its factorization.

7992890942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996445473.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 7992890942 is about 89402.9694249581. The cubic root of 7992890942 is about 1999.4074029317.

The spelling of 7992890942 in words is "seven billion, nine hundred ninety-two million, eight hundred ninety thousand, nine hundred forty-two".