7886876685 has 32 divisors (see below), whose sum is σ = 13061485440. Its totient is φ = 4059003648.

The previous prime is 7886876681. The next prime is 7886876693. The reversal of 7886876685 is 5866786887.

It is a happy number.

It is not a de Polignac number, because 7886876685 - 2² = 7886876681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7886876681) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 993502 + ... + 1001408.

It is an arithmetic number, because the mean of its divisors is an integer number (408171420).

Almost surely, 2^7886876685 is an apocalyptic number.

It is an amenable number.

7886876685 is a deficient number, since it is larger than the sum of its proper divisors (5174608755).

7886876685 is a wasteful number, since it uses less digits than its factorization.

7886876685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237.

The product of its digits is 216760320, while the sum is 69.

The square root of 7886876685 is about 88808.0890741378. The cubic root of 7886876685 is about 1990.5282710708.

The spelling of 7886876685 in words is "seven billion, eight hundred eighty-six million, eight hundred seventy-six thousand, six hundred eighty-five".