7887668525 has 12 divisors (see below), whose sum is σ = 10669864704. Its totient is φ = 5736486000.

The previous prime is 7887668513. The next prime is 7887668561. The reversal of 7887668525 is 5258667887.

It is not a de Polignac number, because 7887668525 - 2¹² = 7887664429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14340941 + ... + 14341490.

It is an arithmetic number, because the mean of its divisors is an integer number (889155392).

Almost surely, 2^7887668525 is an apocalyptic number.

It is an amenable number.

7887668525 is a deficient number, since it is larger than the sum of its proper divisors (2782196179).

7887668525 is a wasteful number, since it uses less digits than its factorization.

7887668525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28682452 (or 28682447 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 62.

The square root of 7887668525 is about 88812.5471146955. The cubic root of 7887668525 is about 1990.5948849842.

The spelling of 7887668525 in words is "seven billion, eight hundred eighty-seven million, six hundred sixty-eight thousand, five hundred twenty-five".