85501268836 has 9 divisors (see below), whose sum is σ = 149628243891. Its totient is φ = 42750342012.

The previous prime is 85501268803. The next prime is 85501268849. The reversal of 85501268836 is 63886210558.

The square root of 85501268836 is 292406.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 511711 + ... + 657913.

Almost surely, 2^85501268836 is an apocalyptic number.

85501268836 is the 292406-th square number.

It is an amenable number.

85501268836 is a deficient number, since it is larger than the sum of its proper divisors (64126975055).

85501268836 is an frugal number, since it uses more digits than its factorization.

85501268836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292410 (or 146205 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 85501268836 in words is "eighty-five billion, five hundred one million, two hundred sixty-eight thousand, eight hundred thirty-six".