2077865525 has 6 divisors (see below), whose sum is σ = 2576553282. Its totient is φ = 1662292400.

The previous prime is 2077865519. The next prime is 2077865561. The reversal of 2077865525 is 5255687702.

It can be written as a sum of positive squares in 3 ways, for example, as 199769956 + 1878095569 = 14134^2 + 43337^2 .

It is not a de Polignac number, because 2077865525 - 2¹⁶ = 2077799989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2077865525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41557286 + ... + 41557335.

It is an arithmetic number, because the mean of its divisors is an integer number (429425547).

Almost surely, 2^2077865525 is an apocalyptic number.

2077865525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2077865525 is a deficient number, since it is larger than the sum of its proper divisors (498687757).

2077865525 is an equidigital number, since it uses as much as digits as its factorization.

2077865525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83114631 (or 83114626 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The square root of 2077865525 is about 45583.6102672880. The cubic root of 2077865525 is about 1276.0640662287.

The spelling of 2077865525 in words is "two billion, seventy-seven million, eight hundred sixty-five thousand, five hundred twenty-five".