85073722276 has 27 divisors (see below), whose sum is σ = 152641688227. Its totient is φ = 41487709760.

The previous prime is 85073722229. The next prime is 85073722291. The reversal of 85073722276 is 67222737058.

It is a happy number.

The square root of 85073722276 is 291674.

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

It can be written as a sum of positive squares in 4 ways, for example, as 59609222500 + 25464499776 = 244150^2 + 159576^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23915490 + ... + 23919046.

Almost surely, 2^85073722276 is an apocalyptic number.

85073722276 is the 291674-th square number.

It is an amenable number.

85073722276 is a deficient number, since it is larger than the sum of its proper divisors (67567965951).

85073722276 is an frugal number, since it uses more digits than its factorization.

85073722276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 49.

Multiplying 85073722276 by its sum of digits (49), we get a square (4168612391524 = 2041718²).

The spelling of 85073722276 in words is "eighty-five billion, seventy-three million, seven hundred twenty-two thousand, two hundred seventy-six".