47605523978 has 16 divisors (see below), whose sum is σ = 72100283136. Its totient is φ = 23573203200.

The previous prime is 47605523969. The next prime is 47605524007. The reversal of 47605523978 is 87932550674.

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, 190448 + ... + 362603.

It is an arithmetic number, because the mean of its divisors is an integer number (4506267696).

Almost surely, 2^47605523978 is an apocalyptic number.

47605523978 is a deficient number, since it is larger than the sum of its proper divisors (24494759158).

47605523978 is a wasteful number, since it uses less digits than its factorization.

47605523978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553469.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 47605523978 in words is "forty-seven billion, six hundred five million, five hundred twenty-three thousand, nine hundred seventy-eight".