85557874282 has 4 divisors (see below), whose sum is σ = 128336811426. Its totient is φ = 42778937140.

The previous prime is 85557874253. The next prime is 85557874307. The reversal of 85557874282 is 28247875558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85432859521 + 125014761 = 292289^2 + 11181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85557874282.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21389468569 + ... + 21389468572.

Almost surely, 2^85557874282 is an apocalyptic number.

85557874282 is a deficient number, since it is larger than the sum of its proper divisors (42778937144).

85557874282 is a wasteful number, since it uses less digits than its factorization.

85557874282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42778937143.

The product of its digits is 50176000, while the sum is 61.

The spelling of 85557874282 in words is "eighty-five billion, five hundred fifty-seven million, eight hundred seventy-four thousand, two hundred eighty-two".