2877661025 has 24 divisors (see below), whose sum is σ = 3710429184. Its totient is φ = 2211523200.

The previous prime is 2877661021. The next prime is 2877661037. The reversal of 2877661025 is 5201667782.

It is not a de Polignac number, because 2877661025 - 2² = 2877661021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2877661021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92624 + ... + 119726.

It is an arithmetic number, because the mean of its divisors is an integer number (154601216).

Almost surely, 2^2877661025 is an apocalyptic number.

2877661025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2877661025 is a deficient number, since it is larger than the sum of its proper divisors (832768159).

2877661025 is a wasteful number, since it uses less digits than its factorization.

2877661025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27281 (or 27276 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2877661025 is about 53643.8349207064. The cubic root of 2877661025 is about 1422.3720561599.

The spelling of 2877661025 in words is "two billion, eight hundred seventy-seven million, six hundred sixty-one thousand, twenty-five".