7646987158 has 16 divisors (see below), whose sum is σ = 12147717744. Its totient is φ = 3597840640.

The previous prime is 7646987137. The next prime is 7646987167. The reversal of 7646987158 is 8517896467.

It is a junction number, because it is equal to n+sod(n) for n = 7646987096 and 7646987105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166818 + ... + 207658.

It is an arithmetic number, because the mean of its divisors is an integer number (759232359).

Almost surely, 2^7646987158 is an apocalyptic number.

7646987158 is a deficient number, since it is larger than the sum of its proper divisors (4500730586).

7646987158 is a wasteful number, since it uses less digits than its factorization.

7646987158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46367.

The product of its digits is 20321280, while the sum is 61.

The square root of 7646987158 is about 87447.0534552194. The cubic root of 7646987158 is about 1970.1386314528.

The spelling of 7646987158 in words is "seven billion, six hundred forty-six million, nine hundred eighty-seven thousand, one hundred fifty-eight".