7687939425 has 24 divisors (see below), whose sum is σ = 12716581920. Its totient is φ = 4098345600.

The previous prime is 7687939423. The next prime is 7687939459. The reversal of 7687939425 is 5249397867.

7687939425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7687939425 - 2¹ = 7687939423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7687939423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148606 + ... + 193544.

It is an arithmetic number, because the mean of its divisors is an integer number (529857580).

Almost surely, 2^7687939425 is an apocalyptic number.

7687939425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7687939425 is a deficient number, since it is larger than the sum of its proper divisors (5028642495).

7687939425 is a wasteful number, since it uses less digits than its factorization.

7687939425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47233 (or 47228 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The square root of 7687939425 is about 87680.8954390864. The cubic root of 7687939425 is about 1973.6492970488.

The spelling of 7687939425 in words is "seven billion, six hundred eighty-seven million, nine hundred thirty-nine thousand, four hundred twenty-five".