7842903968 has 24 divisors (see below), whose sum is σ = 15455643840. Its totient is φ = 3917661120.

The previous prime is 7842903967. The next prime is 7842903973. The reversal of 7842903968 is 8693092487.

It is a happy number.

It is a super-2 number, since 2×7842903968² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7842903967) 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, 84698 + ... + 151193.

It is an arithmetic number, because the mean of its divisors is an integer number (643985160).

Almost surely, 2^7842903968 is an apocalyptic number.

It is an amenable number.

7842903968 is a deficient number, since it is larger than the sum of its proper divisors (7612739872).

7842903968 is a wasteful number, since it uses less digits than its factorization.

7842903968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236940 (or 236932 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 7842903968 is about 88560.1714542152. The cubic root of 7842903968 is about 1986.8220251962.

The spelling of 7842903968 in words is "seven billion, eight hundred forty-two million, nine hundred three thousand, nine hundred sixty-eight".