27726468078 has 16 divisors (see below), whose sum is σ = 55462458240. Its totient is φ = 9240569016.

The previous prime is 27726468059. The next prime is 27726468101. The reversal of 27726468078 is 87086462772.

It is a super-3 number, since 3×27726468078³ (a number of 32 digits) contains 333 as substring.

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, 358618 + ... + 429021.

It is an arithmetic number, because the mean of its divisors is an integer number (3466403640).

Almost surely, 2^27726468078 is an apocalyptic number.

27726468078 is an abundant number, since it is smaller than the sum of its proper divisors (27735990162).

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

27726468078 is a wasteful number, since it uses less digits than its factorization.

27726468078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793511.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 27726468078 in words is "twenty-seven billion, seven hundred twenty-six million, four hundred sixty-eight thousand, seventy-eight".