85424091076 has 27 divisors (see below), whose sum is σ = 150291240967. Its totient is φ = 42484948640.

The previous prime is 85424091023. The next prime is 85424091089. The reversal of 85424091076 is 67019042458.

The square root of 85424091076 is 292274.

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 37997704900 + 47426386176 = 194930^2 + 217776^2 .

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, 185301486 + ... + 185301946.

Almost surely, 2^85424091076 is an apocalyptic number.

85424091076 is the 292274-th square number.

It is an amenable number.

85424091076 is a deficient number, since it is larger than the sum of its proper divisors (64867149891).

85424091076 is an frugal number, since it uses more digits than its factorization.

85424091076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 85424091076 in words is "eighty-five billion, four hundred twenty-four million, ninety-one thousand, seventy-six".