2877139385 has 8 divisors (see below), whose sum is σ = 3453374400. Its totient is φ = 2301173424.

The previous prime is 2877139379. The next prime is 2877139399. The reversal of 2877139385 is 5839317782.

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 2877139385 - 2²² = 2872945081 is a prime.

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, 42935 + ... + 87164.

It is an arithmetic number, because the mean of its divisors is an integer number (431671800).

Almost surely, 2^2877139385 is an apocalyptic number.

It is an amenable number.

2877139385 is a deficient number, since it is larger than the sum of its proper divisors (576235015).

2877139385 is a wasteful number, since it uses less digits than its factorization.

2877139385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134527.

The product of its digits is 2540160, while the sum is 53.

The square root of 2877139385 is about 53638.9726318467. The cubic root of 2877139385 is about 1422.2861054532.

The spelling of 2877139385 in words is "two billion, eight hundred seventy-seven million, one hundred thirty-nine thousand, three hundred eighty-five".