7801968835 has 8 divisors (see below), whose sum is σ = 9494227296. Its totient is φ = 6153665280.

The previous prime is 7801968829. The next prime is 7801968847. The reversal of 7801968835 is 5388691087.

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

It is not a de Polignac number, because 7801968835 - 2⁹ = 7801968323 is a prime.

It is a super-2 number, since 2×7801968835² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10988334 + ... + 10989043.

It is an arithmetic number, because the mean of its divisors is an integer number (1186778412).

Almost surely, 2^7801968835 is an apocalyptic number.

7801968835 is a deficient number, since it is larger than the sum of its proper divisors (1692258461).

7801968835 is a wasteful number, since it uses less digits than its factorization.

7801968835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21977453.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 7801968835 is about 88328.7542932651. The cubic root of 7801968835 is about 1983.3593309839.

The spelling of 7801968835 in words is "seven billion, eight hundred one million, nine hundred sixty-eight thousand, eight hundred thirty-five".