7867856101 has 16 divisors (see below), whose sum is σ = 9152889984. Its totient is φ = 6624028224.

The previous prime is 7867856099. The next prime is 7867856111. The reversal of 7867856101 is 1016587687.

It is a cyclic number.

It is not a de Polignac number, because 7867856101 - 2¹ = 7867856099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7867856111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61375 + ... + 139651.

It is an arithmetic number, because the mean of its divisors is an integer number (572055624).

Almost surely, 2^7867856101 is an apocalyptic number.

It is an amenable number.

7867856101 is a deficient number, since it is larger than the sum of its proper divisors (1285033883).

7867856101 is a wasteful number, since it uses less digits than its factorization.

7867856101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78540.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 7867856101 is about 88700.9363028373. The cubic root of 7867856101 is about 1988.9268138361.

The spelling of 7867856101 in words is "seven billion, eight hundred sixty-seven million, eight hundred fifty-six thousand, one hundred one".