7876425645 has 24 divisors (see below), whose sum is σ = 14893605792. Its totient is φ = 3818872800.

The previous prime is 7876425643. The next prime is 7876425649. The reversal of 7876425645 is 5465246787.

It is a happy number.

7876425645 is a `hidden beast` number, since 7 + 8 + 76 + 4 + 2 + 564 + 5 = 666.

It is not a de Polignac number, because 7876425645 - 2¹ = 7876425643 is a prime.

It is a super-3 number, since 3×7876425645³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7876425591 and 7876425600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7876425643) 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, 7955491 + ... + 7956480.

It is an arithmetic number, because the mean of its divisors is an integer number (620566908).

Almost surely, 2^7876425645 is an apocalyptic number.

It is an amenable number.

7876425645 is a deficient number, since it is larger than the sum of its proper divisors (7017180147).

7876425645 is a wasteful number, since it uses less digits than its factorization.

7876425645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911993 (or 15911990 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 7876425645 is about 88749.2289825664. The cubic root of 7876425645 is about 1989.6486543340.

The spelling of 7876425645 in words is "seven billion, eight hundred seventy-six million, four hundred twenty-five thousand, six hundred forty-five".