7478631018870 has 64 divisors (see below), whose sum is σ = 19597398902784. Its totient is φ = 1811428945920.

The previous prime is 7478631018863. The next prime is 7478631018877. The reversal of 7478631018870 is 788101368747.

It is an interprime number because it is at equal distance from previous prime (7478631018863) and next prime (7478631018877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478631018877) 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, 9447142 + ... + 10208121.

It is an arithmetic number, because the mean of its divisors is an integer number (306209357856).

Almost surely, 2^{7478631018870} is an apocalyptic number.

7478631018870 is an abundant number, since it is smaller than the sum of its proper divisors (12118767883914).

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

7478631018870 is a wasteful number, since it uses less digits than its factorization.

7478631018870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656437.

The product of its (nonzero) digits is 12644352, while the sum is 60.

The spelling of 7478631018870 in words is "seven trillion, four hundred seventy-eight billion, six hundred thirty-one million, eighteen thousand, eight hundred seventy".