7942646850 has 24 divisors (see below), whose sum is σ = 19697764560. Its totient is φ = 2118039120.

The previous prime is 7942646849. The next prime is 7942646851. The reversal of 7942646850 is 586462497.

It is an interprime number because it is at equal distance from previous prime (7942646849) and next prime (7942646851).

It is a junction number, because it is equal to n+sod(n) for n = 7942646793 and 7942646802.

It is not an unprimeable number, because it can be changed into a prime (7942646851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26475340 + ... + 26475639.

It is an arithmetic number, because the mean of its divisors is an integer number (820740190).

Almost surely, 2^7942646850 is an apocalyptic number.

7942646850 is an abundant number, since it is smaller than the sum of its proper divisors (11755117710).

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

7942646850 is a wasteful number, since it uses less digits than its factorization.

7942646850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52950994 (or 52950989 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 7942646850 is about 89121.5285438934. The cubic root of 7942646850 is about 1995.2091036531.

The spelling of 7942646850 in words is "seven billion, nine hundred forty-two million, six hundred forty-six thousand, eight hundred fifty".