27896894142 has 32 divisors (see below), whose sum is σ = 60931906560. Its totient is φ = 8462761440.

The previous prime is 27896894101. The next prime is 27896894171. The reversal of 27896894142 is 24149869872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2513142 + ... + 2524217.

It is an arithmetic number, because the mean of its divisors is an integer number (1904122080).

Almost surely, 2^27896894142 is an apocalyptic number.

27896894142 is an abundant number, since it is smaller than the sum of its proper divisors (33035012418).

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

27896894142 is a wasteful number, since it uses less digits than its factorization.

27896894142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037448.

The product of its digits is 13934592, while the sum is 60.

The spelling of 27896894142 in words is "twenty-seven billion, eight hundred ninety-six million, eight hundred ninety-four thousand, one hundred forty-two".