2861267154 has 16 divisors (see below), whose sum is σ = 5766219360. Its totient is φ = 946474880.

The previous prime is 2861267147. The next prime is 2861267191. The reversal of 2861267154 is 4517621682.

It is a happy number.

2861267154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1819359 + ... + 1820930.

It is an arithmetic number, because the mean of its divisors is an integer number (360388710).

Almost surely, 2^2861267154 is an apocalyptic number.

2861267154 is an abundant number, since it is smaller than the sum of its proper divisors (2904952206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2861267154 is a wasteful number, since it uses less digits than its factorization.

2861267154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640425.

The product of its digits is 161280, while the sum is 42.

The square root of 2861267154 is about 53490.8137346965. The cubic root of 2861267154 is about 1419.6658530699.

The spelling of 2861267154 in words is "two billion, eight hundred sixty-one million, two hundred sixty-seven thousand, one hundred fifty-four".