78276685084 has 96 divisors (see below), whose sum is σ = 152566948800. Its totient is φ = 34918041600.

The previous prime is 78276685049. The next prime is 78276685103. The reversal of 78276685084 is 48058667287.

It is a super-2 number, since 2×78276685084² (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 31 ways as a sum of consecutive naturals, for example, 48648472 + ... + 48650080.

It is an arithmetic number, because the mean of its divisors is an integer number (1589239050).

Almost surely, 2^78276685084 is an apocalyptic number.

It is an amenable number.

78276685084 is a deficient number, since it is larger than the sum of its proper divisors (74290263716).

78276685084 is a wasteful number, since it uses less digits than its factorization.

78276685084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 78276685084 in words is "seventy-eight billion, two hundred seventy-six million, six hundred eighty-five thousand, eighty-four".