85243954502 has 32 divisors (see below), whose sum is σ = 147277154880. Its totient is φ = 36247242240.

The previous prime is 85243954501. The next prime is 85243954511. The reversal of 85243954502 is 20545934258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85243954501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957602 + ... + 3979082.

It is an arithmetic number, because the mean of its divisors is an integer number (4602411090).

Almost surely, 2^85243954502 is an apocalyptic number.

85243954502 is a deficient number, since it is larger than the sum of its proper divisors (62033200378).

85243954502 is a wasteful number, since it uses less digits than its factorization.

85243954502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23696.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 85243954502 in words is "eighty-five billion, two hundred forty-three million, nine hundred fifty-four thousand, five hundred two".