2777605125 has 16 divisors (see below), whose sum is σ = 4621935552. Its totient is φ = 1481389200.

The previous prime is 2777605109. The next prime is 2777605139. The reversal of 2777605125 is 5215067772.

It is not a de Polignac number, because 2777605125 - 2⁴ = 2777605109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703099 + ... + 3703848.

It is an arithmetic number, because the mean of its divisors is an integer number (288870972).

Almost surely, 2^2777605125 is an apocalyptic number.

2777605125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2777605125 is a deficient number, since it is larger than the sum of its proper divisors (1844330427).

2777605125 is an equidigital number, since it uses as much as digits as its factorization.

2777605125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7406965 (or 7406955 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 2777605125 is about 52702.9897159544. The cubic root of 2777605125 is about 1405.6919840343.

The spelling of 2777605125 in words is "two billion, seven hundred seventy-seven million, six hundred five thousand, one hundred twenty-five".