87472365523267 has 2 divisors, whose sum is σ = 87472365523268. Its totient is φ = 87472365523266.

The previous prime is 87472365523199. The next prime is 87472365523297. The reversal of 87472365523267 is 76232556327478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87472365523267 - 2²⁷ = 87472231305539 is a prime.

It is not a weakly prime, because it can be changed into another prime (87472365523297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43736182761633 + 43736182761634.

It is an arithmetic number, because the mean of its divisors is an integer number (43736182761634).

Almost surely, 2^{87472365523267} is an apocalyptic number.

87472365523267 is a deficient number, since it is larger than the sum of its proper divisors (1).

87472365523267 is an equidigital number, since it uses as much as digits as its factorization.

87472365523267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 711244800, while the sum is 67.

The spelling of 87472365523267 in words is "eighty-seven trillion, four hundred seventy-two billion, three hundred sixty-five million, five hundred twenty-three thousand, two hundred sixty-seven".