85072169496 has 32 divisors (see below), whose sum is σ = 212709317040. Its totient is φ = 28353537408.

The previous prime is 85072169489. The next prime is 85072169527. The reversal of 85072169496 is 69496127058.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57591 + ... + 416486.

Almost surely, 2^85072169496 is an apocalyptic number.

It is an amenable number.

85072169496 is an abundant number, since it is smaller than the sum of its proper divisors (127637147544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85072169496 is a wasteful number, since it uses less digits than its factorization.

85072169496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481563 (or 481559 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 85072169496 in words is "eighty-five billion, seventy-two million, one hundred sixty-nine thousand, four hundred ninety-six".