325805715078 has 16 divisors (see below), whose sum is σ = 654033780720. Its totient is φ = 108198179936.

The previous prime is 325805715029. The next prime is 325805715101. The reversal of 325805715078 is 870517508523.

It is a super-2 number, since 2×325805715078² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325805715078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100929525 + ... + 100932752.

It is an arithmetic number, because the mean of its divisors is an integer number (40877111295).

Almost surely, 2^325805715078 is an apocalyptic number.

325805715078 is an abundant number, since it is smaller than the sum of its proper divisors (328228065642).

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

325805715078 is a wasteful number, since it uses less digits than its factorization.

325805715078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201862551.

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 325805715078 in words is "three hundred twenty-five billion, eight hundred five million, seven hundred fifteen thousand, seventy-eight".