85244484928 has 28 divisors (see below), whose sum is σ = 169330288212. Its totient is φ = 42578585600.

The previous prime is 85244484907. The next prime is 85244484947. The reversal of 85244484928 is 82948444258.

It can be written as a sum of positive squares in 2 ways, for example, as 74371834944 + 10872649984 = 272712^2 + 104272^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619123 + ... + 744178.

Almost surely, 2^85244484928 is an apocalyptic number.

It is an amenable number.

85244484928 is a deficient number, since it is larger than the sum of its proper divisors (84085803284).

85244484928 is a wasteful number, since it uses less digits than its factorization.

85244484928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364290 (or 1364280 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 58.

The spelling of 85244484928 in words is "eighty-five billion, two hundred forty-four million, four hundred eighty-four thousand, nine hundred twenty-eight".