7868045877 has 4 divisors (see below), whose sum is σ = 10490727840. Its totient is φ = 5245363916.

The previous prime is 7868045851. The next prime is 7868045897. The reversal of 7868045877 is 7785408687.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7868045877 - 2¹⁸ = 7867783733 is a prime.

It is a super-2 number, since 2×7868045877² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7868045877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868045897) by changing a digit.

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, 1311340977 + ... + 1311340982.

It is an arithmetic number, because the mean of its divisors is an integer number (2622681960).

Almost surely, 2^7868045877 is an apocalyptic number.

It is an amenable number.

7868045877 is a deficient number, since it is larger than the sum of its proper divisors (2622681963).

7868045877 is a wasteful number, since it uses less digits than its factorization.

7868045877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622681962.

The product of its (nonzero) digits is 21073920, while the sum is 60.

The square root of 7868045877 is about 88702.0060483414. The cubic root of 7868045877 is about 1988.9428049581.

The spelling of 7868045877 in words is "seven billion, eight hundred sixty-eight million, forty-five thousand, eight hundred seventy-seven".