78303275580 has 48 divisors (see below), whose sum is σ = 223914055680. Its totient is φ = 20436598848.

The previous prime is 78303275573. The next prime is 78303275599. The reversal of 78303275580 is 8557230387.

It is a super-2 number, since 2×78303275580² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13880740 + ... + 13886379.

It is an arithmetic number, because the mean of its divisors is an integer number (4664876160).

Almost surely, 2^78303275580 is an apocalyptic number.

It is an amenable number.

78303275580 is an abundant number, since it is smaller than the sum of its proper divisors (145610780100).

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

78303275580 is a wasteful number, since it uses less digits than its factorization.

78303275580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27767178 (or 27767176 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 78303275580 in words is "seventy-eight billion, three hundred three million, two hundred seventy-five thousand, five hundred eighty".