2877138961 has 8 divisors (see below), whose sum is σ = 2951311104. Its totient is φ = 2803157280.

The previous prime is 2877138947. The next prime is 2877138989. The reversal of 2877138961 is 1698317782.

2877138961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2877138961 - 2¹³ = 2877130769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2877138899 and 2877138908.

It is not an unprimeable number, because it can be changed into a prime (2877138911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16761 + ... + 77686.

It is an arithmetic number, because the mean of its divisors is an integer number (368913888).

Almost surely, 2^2877138961 is an apocalyptic number.

It is an amenable number.

2877138961 is a deficient number, since it is larger than the sum of its proper divisors (74172143).

2877138961 is an equidigital number, since it uses as much as digits as its factorization.

2877138961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95231.

The product of its digits is 1016064, while the sum is 52.

The square root of 2877138961 is about 53638.9686794964. The cubic root of 2877138961 is about 1422.2860355864.

The spelling of 2877138961 in words is "two billion, eight hundred seventy-seven million, one hundred thirty-eight thousand, nine hundred sixty-one".