85574878340524 has 12 divisors (see below), whose sum is σ = 158565215748744. Its totient is φ = 40270530983744.

The previous prime is 85574878340521. The next prime is 85574878340573. The reversal of 85574878340524 is 42504387847558.

It is not an unprimeable number, because it can be changed into a prime (85574878340521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629227046554 + ... + 629227046689.

It is an arithmetic number, because the mean of its divisors is an integer number (13213767979062).

Almost surely, 2^{85574878340524} is an apocalyptic number.

It is an amenable number.

85574878340524 is a deficient number, since it is larger than the sum of its proper divisors (72990337408220).

85574878340524 is a wasteful number, since it uses less digits than its factorization.

85574878340524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258454093264 (or 1258454093262 counting only the distinct ones).

The product of its (nonzero) digits is 1204224000, while the sum is 70.

The spelling of 85574878340524 in words is "eighty-five trillion, five hundred seventy-four billion, eight hundred seventy-eight million, three hundred forty thousand, five hundred twenty-four".