7145676678 has 96 divisors (see below), whose sum is σ = 16906927104. Its totient is φ = 1971408384.

The previous prime is 7145676653. The next prime is 7145676679. The reversal of 7145676678 is 8766765417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145676679) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 15635826 + ... + 15636282.

It is an arithmetic number, because the mean of its divisors is an integer number (176113824).

Almost surely, 2^7145676678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145676678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8453463552).

7145676678 is an abundant number, since it is smaller than the sum of its proper divisors (9761250426).

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

7145676678 is a wasteful number, since it uses less digits than its factorization.

7145676678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 605 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 57.

The square root of 7145676678 is about 84532.1044219295. The cubic root of 7145676678 is about 1926.1101531941.

The spelling of 7145676678 in words is "seven billion, one hundred forty-five million, six hundred seventy-six thousand, six hundred seventy-eight".