47172637484015 has 4 divisors (see below), whose sum is σ = 56607164980824. Its totient is φ = 37738109987208.

The previous prime is 47172637483999. The next prime is 47172637484059. The reversal of 47172637484015 is 51048473627174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47172637484015 - 2⁴ = 47172637483999 is a prime.

It is a Duffinian number.

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, 4717263748397 + ... + 4717263748406.

It is an arithmetic number, because the mean of its divisors is an integer number (14151791245206).

Almost surely, 2^{47172637484015} is an apocalyptic number.

47172637484015 is a deficient number, since it is larger than the sum of its proper divisors (9434527496809).

47172637484015 is an equidigital number, since it uses as much as digits as its factorization.

47172637484015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434527496808.

The product of its (nonzero) digits is 31610880, while the sum is 59.

The spelling of 47172637484015 in words is "forty-seven trillion, one hundred seventy-two billion, six hundred thirty-seven million, four hundred eighty-four thousand, fifteen".