87269030818 has 4 divisors (see below), whose sum is σ = 130903546230. Its totient is φ = 43634515408.

The previous prime is 87269030803. The next prime is 87269030819. The reversal of 87269030818 is 81803096278.

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

It can be written as a sum of positive squares in only one way, i.e., 65554945369 + 21714085449 = 256037^2 + 147357^2 .

It is not an unprimeable number, because it can be changed into a prime (87269030819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21817257703 + ... + 21817257706.

Almost surely, 2^87269030818 is an apocalyptic number.

87269030818 is a deficient number, since it is larger than the sum of its proper divisors (43634515412).

87269030818 is a wasteful number, since it uses less digits than its factorization.

87269030818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43634515411.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 87269030818 in words is "eighty-seven billion, two hundred sixty-nine million, thirty thousand, eight hundred eighteen".