85901547266 has 4 divisors (see below), whose sum is σ = 128852320902. Its totient is φ = 42950773632.

The previous prime is 85901547257. The next prime is 85901547287. The reversal of 85901547266 is 66274510958.

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., 65192898241 + 20708649025 = 255329^2 + 143905^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21475386815 + ... + 21475386818.

Almost surely, 2^85901547266 is an apocalyptic number.

85901547266 is a deficient number, since it is larger than the sum of its proper divisors (42950773636).

85901547266 is a wasteful number, since it uses less digits than its factorization.

85901547266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42950773635.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 85901547266 in words is "eighty-five billion, nine hundred one million, five hundred forty-seven thousand, two hundred sixty-six".