7678106502 has 64 divisors (see below), whose sum is σ = 17092892160. Its totient is φ = 2279513600.

The previous prime is 7678106477. The next prime is 7678106503. The reversal of 7678106502 is 2056018767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678106503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3605374 + ... + 3607502.

It is an arithmetic number, because the mean of its divisors is an integer number (267076440).

Almost surely, 2^7678106502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7678106502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8546446080).

7678106502 is an abundant number, since it is smaller than the sum of its proper divisors (9414785658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7678106502 is a wasteful number, since it uses less digits than its factorization.

7678106502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 7678106502 is about 87624.8052893700. The cubic root of 7678106502 is about 1972.8075014276.

The spelling of 7678106502 in words is "seven billion, six hundred seventy-eight million, one hundred six thousand, five hundred two".