1025080776 has 24 divisors (see below), whose sum is σ = 2776260630. Its totient is φ = 341693568.

The previous prime is 1025080769. The next prime is 1025080781. The reversal of 1025080776 is 6770805201.

It can be written as a sum of positive squares in only one way, i.e., 838102500 + 186978276 = 28950^2 + 13674^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1025080776.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7118545 + ... + 7118688.

Almost surely, 2^1025080776 is an apocalyptic number.

It is an amenable number.

1025080776 is an abundant number, since it is smaller than the sum of its proper divisors (1751179854).

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

1025080776 is a wasteful number, since it uses less digits than its factorization.

1025080776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237245 (or 14237238 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1025080776 is about 32016.8826714907. The cubic root of 1025080776 is about 1008.2913226371.

Adding to 1025080776 its reverse (6770805201), we get a palindrome (7795885977).

The spelling of 1025080776 in words is "one billion, twenty-five million, eighty thousand, seven hundred seventy-six".