78274277104 has 20 divisors (see below), whose sum is σ = 152150416264. Its totient is φ = 39009653568.

The previous prime is 78274277099. The next prime is 78274277119. The reversal of 78274277104 is 40177247287.

It is a happy number.

It is a super-2 number, since 2×78274277104² (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7962747 + ... + 7972570.

Almost surely, 2^78274277104 is an apocalyptic number.

It is an amenable number.

78274277104 is a deficient number, since it is larger than the sum of its proper divisors (73876139160).

78274277104 is a wasteful number, since it uses less digits than its factorization.

78274277104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935632 (or 15935626 counting only the distinct ones).

The product of its (nonzero) digits is 1229312, while the sum is 49.

The spelling of 78274277104 in words is "seventy-eight billion, two hundred seventy-four million, two hundred seventy-seven thousand, one hundred four".