7855797848 has 16 divisors (see below), whose sum is σ = 14744620080. Its totient is φ = 3923899168.

The previous prime is 7855797773. The next prime is 7855797923. The reversal of 7855797848 is 8487975587.

It is an interprime number because it is at equal distance from previous prime (7855797773) and next prime (7855797923).

It is a super-2 number, since 2×7855797848² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491615 + ... + 507342.

It is an arithmetic number, because the mean of its divisors is an integer number (921538755).

Almost surely, 2^7855797848 is an apocalyptic number.

It is an amenable number.

7855797848 is a deficient number, since it is larger than the sum of its proper divisors (6888822232).

7855797848 is a wasteful number, since it uses less digits than its factorization.

7855797848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999946 (or 999942 counting only the distinct ones).

The product of its digits is 158054400, while the sum is 68.

The square root of 7855797848 is about 88632.9388432991. The cubic root of 7855797848 is about 1987.9102198645.

The spelling of 7855797848 in words is "seven billion, eight hundred fifty-five million, seven hundred ninety-seven thousand, eight hundred forty-eight".