78275360418 has 16 divisors (see below), whose sum is σ = 156555641376. Its totient is φ = 26090966720.

The previous prime is 78275360399. The next prime is 78275360483. The reversal of 78275360418 is 81406357287.

It is a super-2 number, since 2×78275360418² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20938 + ... + 396218.

It is an arithmetic number, because the mean of its divisors is an integer number (9784727586).

Almost surely, 2^78275360418 is an apocalyptic number.

78275360418 is an abundant number, since it is smaller than the sum of its proper divisors (78280280958).

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

78275360418 is a wasteful number, since it uses less digits than its factorization.

78275360418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410049.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 78275360418 in words is "seventy-eight billion, two hundred seventy-five million, three hundred sixty thousand, four hundred eighteen".