27720943896470 has 16 divisors (see below), whose sum is σ = 54433853469648. Its totient is φ = 10080343235040.

The previous prime is 27720943896467. The next prime is 27720943896533. The reversal of 27720943896470 is 7469834902772.

It is a super-2 number, since 2×27720943896470² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27720943896470.

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, 126004290329 + ... + 126004290548.

It is an arithmetic number, because the mean of its divisors is an integer number (3402115841853).

Almost surely, 2^{27720943896470} is an apocalyptic number.

27720943896470 is a deficient number, since it is larger than the sum of its proper divisors (26712909573178).

27720943896470 is a wasteful number, since it uses less digits than its factorization.

27720943896470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252008580895.

The product of its (nonzero) digits is 256048128, while the sum is 68.

The spelling of 27720943896470 in words is "twenty-seven trillion, seven hundred twenty billion, nine hundred forty-three million, eight hundred ninety-six thousand, four hundred seventy".