47894156942 has 16 divisors (see below), whose sum is σ = 72443904000. Its totient is φ = 23746381848.

The previous prime is 47894156923. The next prime is 47894156963. The reversal of 47894156942 is 24965149874.

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, 460583 + ... + 554909.

It is an arithmetic number, because the mean of its divisors is an integer number (4527744000).

Almost surely, 2^47894156942 is an apocalyptic number.

47894156942 is a deficient number, since it is larger than the sum of its proper divisors (24549747058).

47894156942 is a wasteful number, since it uses less digits than its factorization.

47894156942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96455.

The product of its digits is 17418240, while the sum is 59.

The spelling of 47894156942 in words is "forty-seven billion, eight hundred ninety-four million, one hundred fifty-six thousand, nine hundred forty-two".