3055000861 has 24 divisors (see below), whose sum is σ = 3742683840. Its totient is φ = 2476298880.

The previous prime is 3055000859. The next prime is 3055000873. The reversal of 3055000861 is 1680005503.

3055000861 is a nontrivial binomial coefficient, being equal to C(78167, 2).

It is not a de Polignac number, because 3055000861 - 2¹ = 3055000859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055000811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1 + ... + 78166.

It is an arithmetic number, because the mean of its divisors is an integer number (155945160).

Almost surely, 2^3055000861 is an apocalyptic number.

3055000861 is the 78166-th triangular number.

3055000861 is the 26056-th centered nonagonal number.

It is an amenable number.

3055000861 is a deficient number, since it is larger than the sum of its proper divisors (687682979).

3055000861 is a wasteful number, since it uses less digits than its factorization.

3055000861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78225 (or 78214 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 3055000861 is about 55272.0622104875. The cubic root of 3055000861 is about 1451.0101341823.

The spelling of 3055000861 in words is "three billion, fifty-five million, eight hundred sixty-one", and thus it is an aban number.