2125078776 has 24 divisors (see below), whose sum is σ = 5755421880. Its totient is φ = 708359568.

The previous prime is 2125078763. The next prime is 2125078801. The reversal of 2125078776 is 6778705212.

It is a tau number, because it is divible by the number of its divisors (24).

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, 14757420 + ... + 14757563.

It is an arithmetic number, because the mean of its divisors is an integer number (239809245).

Almost surely, 2^2125078776 is an apocalyptic number.

It is an amenable number.

2125078776 is an abundant number, since it is smaller than the sum of its proper divisors (3630343104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125078776 is a wasteful number, since it uses less digits than its factorization.

2125078776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514995 (or 29514988 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 2125078776 is about 46098.5767242330. The cubic root of 2125078776 is about 1285.6566818213.

The spelling of 2125078776 in words is "two billion, one hundred twenty-five million, seventy-eight thousand, seven hundred seventy-six".