2077862905 has 12 divisors (see below), whose sum is σ = 2582386092. Its totient is φ = 1604966720.

The previous prime is 2077862867. The next prime is 2077862929. The reversal of 2077862905 is 5092687702.

It can be written as a sum of positive squares in 6 ways, for example, as 154952704 + 1922910201 = 12448^2 + 43851^2 .

It is not a de Polignac number, because 2077862905 - 2⁹ = 2077862393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242866 + ... + 251275.

It is an arithmetic number, because the mean of its divisors is an integer number (215198841).

Almost surely, 2^2077862905 is an apocalyptic number.

It is an amenable number.

2077862905 is a deficient number, since it is larger than the sum of its proper divisors (504523187).

2077862905 is an equidigital number, since it uses as much as digits as its factorization.

2077862905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494204 (or 494175 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 2077862905 is about 45583.5815288795. The cubic root of 2077862905 is about 1276.0635298948.

The spelling of 2077862905 in words is "two billion, seventy-seven million, eight hundred sixty-two thousand, nine hundred five".