39427197890894 has 16 divisors (see below), whose sum is σ = 66017633679360. Its totient is φ = 17504675595960.

The previous prime is 39427197890837. The next prime is 39427197890929. The reversal of 39427197890894 is 49809879172493.

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, 20838898574 + ... + 20838900465.

It is an arithmetic number, because the mean of its divisors is an integer number (4126102104960).

Almost surely, 2^{39427197890894} is an apocalyptic number.

39427197890894 is a deficient number, since it is larger than the sum of its proper divisors (26590435788466).

39427197890894 is a wasteful number, since it uses less digits than its factorization.

39427197890894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41677799095.

The product of its (nonzero) digits is 1975228416, while the sum is 80.

The spelling of 39427197890894 in words is "thirty-nine trillion, four hundred twenty-seven billion, one hundred ninety-seven million, eight hundred ninety thousand, eight hundred ninety-four".