6877216618 has 16 divisors (see below), whose sum is σ = 10924360704. Its totient is φ = 3235826880.

The previous prime is 6877216561. The next prime is 6877216651. The reversal of 6877216618 is 8166127786.

It is a super-2 number, since 2×6877216618² = 94592216821790715848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285271 + ... + 308437.

It is an arithmetic number, because the mean of its divisors is an integer number (682772544).

Almost surely, 2^6877216618 is an apocalyptic number.

6877216618 is a deficient number, since it is larger than the sum of its proper divisors (4047144086).

6877216618 is a wasteful number, since it uses less digits than its factorization.

6877216618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31917.

The product of its digits is 1354752, while the sum is 52.

The square root of 6877216618 is about 82928.9853911164. The cubic root of 6877216618 is about 1901.6805646130.

The spelling of 6877216618 in words is "six billion, eight hundred seventy-seven million, two hundred sixteen thousand, six hundred eighteen".