27580078257755 has 32 divisors (see below), whose sum is σ = 35260483059648. Its totient is φ = 20680634419200.

The previous prime is 27580078257713. The next prime is 27580078257761. The reversal of 27580078257755 is 55775287008572.

It is not a de Polignac number, because 27580078257755 - 2¹² = 27580078253659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25107914 + ... + 26183343.

It is an arithmetic number, because the mean of its divisors is an integer number (1101890095614).

Almost surely, 2^{27580078257755} is an apocalyptic number.

27580078257755 is a deficient number, since it is larger than the sum of its proper divisors (7680404801893).

27580078257755 is a wasteful number, since it uses less digits than its factorization.

27580078257755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291407.

The product of its (nonzero) digits is 384160000, while the sum is 68.

The spelling of 27580078257755 in words is "twenty-seven trillion, five hundred eighty billion, seventy-eight million, two hundred fifty-seven thousand, seven hundred fifty-five".