667235020047 has 8 divisors (see below), whose sum is σ = 889745986944. Its totient is φ = 444773699928.

The previous prime is 667235019967. The next prime is 667235020051. The reversal of 667235020047 is 740020532766.

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

It is not a de Polignac number, because 667235020047 - 2²⁰ = 667233971471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667235019990 and 667235020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667235020097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12380323 + ... + 12434100.

It is an arithmetic number, because the mean of its divisors is an integer number (111218248368).

Almost surely, 2^667235020047 is an apocalyptic number.

667235020047 is a deficient number, since it is larger than the sum of its proper divisors (222510966897).

667235020047 is a wasteful number, since it uses less digits than its factorization.

667235020047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24823389.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 667235020047 in words is "six hundred sixty-seven billion, two hundred thirty-five million, twenty thousand, forty-seven".