315346992678 has 96 divisors (see below), whose sum is σ = 705432237120. Its totient is φ = 101734963200.

The previous prime is 315346992677. The next prime is 315346992689. The reversal of 315346992678 is 876299643513.

315346992678 is a `hidden beast` number, since 3 + 1 + 534 + 6 + 9 + 9 + 26 + 78 = 666.

It is a super-2 number, since 2×315346992678² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315346992671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109228551 + ... + 109231437.

It is an arithmetic number, because the mean of its divisors is an integer number (7348252470).

Almost surely, 2^315346992678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315346992678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352716118560).

315346992678 is an abundant number, since it is smaller than the sum of its proper divisors (390085244442).

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

315346992678 is a wasteful number, since it uses less digits than its factorization.

315346992678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3739 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 315346992678 in words is "three hundred fifteen billion, three hundred forty-six million, nine hundred ninety-two thousand, six hundred seventy-eight".