7876653645 has 32 divisors (see below), whose sum is σ = 14600339712. Its totient is φ = 3551427072.

The previous prime is 7876653641. The next prime is 7876653649. The reversal of 7876653645 is 5463566787.

It is an interprime number because it is at equal distance from previous prime (7876653641) and next prime (7876653649).

It is not a de Polignac number, because 7876653645 - 2² = 7876653641 is a prime.

It is a super-3 number, since 3×7876653645³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7876653641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506142 + ... + 521471.

It is an arithmetic number, because the mean of its divisors is an integer number (456260616).

Almost surely, 2^7876653645 is an apocalyptic number.

It is an amenable number.

7876653645 is a deficient number, since it is larger than the sum of its proper divisors (6723686067).

7876653645 is a wasteful number, since it uses less digits than its factorization.

7876653645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027701.

The product of its digits is 25401600, while the sum is 57.

The square root of 7876653645 is about 88750.5134914723. The cubic root of 7876653645 is about 1989.6678523618.

The spelling of 7876653645 in words is "seven billion, eight hundred seventy-six million, six hundred fifty-three thousand, six hundred forty-five".