47978688687974 has 8 divisors (see below), whose sum is σ = 78510581489448. Its totient is φ = 21808494858160.

The previous prime is 47978688687901. The next prime is 47978688687997.

47978688687974 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090424742887 + ... + 1090424742930.

It is an arithmetic number, because the mean of its divisors is an integer number (9813822686181).

Almost surely, 2^{47978688687974} is an apocalyptic number.

47978688687974 is a deficient number, since it is larger than the sum of its proper divisors (30531892801474).

47978688687974 is a wasteful number, since it uses less digits than its factorization.

47978688687974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180849485830.

The product of its digits is 458838245376, while the sum is 98.

The spelling of 47978688687974 in words is "forty-seven trillion, nine hundred seventy-eight billion, six hundred eighty-eight million, six hundred eighty-seven thousand, nine hundred seventy-four".