7948999835 has 32 divisors (see below), whose sum is σ = 10991545344. Its totient is φ = 5405904000.

The previous prime is 7948999831. The next prime is 7948999897. The reversal of 7948999835 is 5389998497.

It is not a de Polignac number, because 7948999835 - 2² = 7948999831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7948999831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2295005 + ... + 2298465.

It is an arithmetic number, because the mean of its divisors is an integer number (343485792).

Almost surely, 2^7948999835 is an apocalyptic number.

7948999835 is a deficient number, since it is larger than the sum of its proper divisors (3042545509).

7948999835 is a wasteful number, since it uses less digits than its factorization.

7948999835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its digits is 176359680, while the sum is 71.

The square root of 7948999835 is about 89157.1636774073. The cubic root of 7948999835 is about 1995.7409228190.

The spelling of 7948999835 in words is "seven billion, nine hundred forty-eight million, nine hundred ninety-nine thousand, eight hundred thirty-five".