12782087925 has 96 divisors (see below), whose sum is σ = 22916390400. Its totient is φ = 6262886400.

The previous prime is 12782087921. The next prime is 12782087933. The reversal of 12782087925 is 52978028721.

It is not a de Polignac number, because 12782087925 - 2² = 12782087921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12782087921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11587924 + ... + 11589026.

It is an arithmetic number, because the mean of its divisors is an integer number (238712400).

Almost surely, 2^12782087925 is an apocalyptic number.

12782087925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12782087925 is a deficient number, since it is larger than the sum of its proper divisors (10134302475).

12782087925 is a wasteful number, since it uses less digits than its factorization.

12782087925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 12782087925 in words is "twelve billion, seven hundred eighty-two million, eighty-seven thousand, nine hundred twenty-five".