87269674291 has 2 divisors, whose sum is σ = 87269674292. Its totient is φ = 87269674290.

The previous prime is 87269674243. The next prime is 87269674309. The reversal of 87269674291 is 19247696278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87269674291 - 2⁹ = 87269673779 is a prime.

It is not a weakly prime, because it can be changed into another prime (87269677291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43634837145 + 43634837146.

It is an arithmetic number, because the mean of its divisors is an integer number (43634837146).

Almost surely, 2^87269674291 is an apocalyptic number.

87269674291 is a deficient number, since it is larger than the sum of its proper divisors (1).

87269674291 is an equidigital number, since it uses as much as digits as its factorization.

87269674291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 61.

The spelling of 87269674291 in words is "eighty-seven billion, two hundred sixty-nine million, six hundred seventy-four thousand, two hundred ninety-one".