47217665000 has 80 divisors (see below), whose sum is σ = 120688492320. Its totient is φ = 17170040000.

The previous prime is 47217664999. The next prime is 47217665029. The reversal of 47217665000 is 56671274.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 374252 + ... + 484251.

It is an arithmetic number, because the mean of its divisors is an integer number (1508606154).

Almost surely, 2^47217665000 is an apocalyptic number.

47217665000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47217665000 is an abundant number, since it is smaller than the sum of its proper divisors (73470827320).

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

47217665000 is a wasteful number, since it uses less digits than its factorization.

47217665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858540 (or 858521 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

It can be divided in two parts, 47217 and 665000, that added together give a palindrome (712217).

The spelling of 47217665000 in words is "forty-seven billion, two hundred seventeen million, six hundred sixty-five thousand".