85537880452 has 12 divisors (see below), whose sum is σ = 157569779920. Its totient is φ = 40517943336.

The previous prime is 85537880437. The next prime is 85537880479. The reversal of 85537880452 is 25408873558.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85537880393 and 85537880402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562749138 + ... + 562749289.

Almost surely, 2^85537880452 is an apocalyptic number.

It is an amenable number.

85537880452 is a deficient number, since it is larger than the sum of its proper divisors (72031899468).

85537880452 is a wasteful number, since it uses less digits than its factorization.

85537880452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125498450 (or 1125498448 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 55.

The spelling of 85537880452 in words is "eighty-five billion, five hundred thirty-seven million, eight hundred eighty thousand, four hundred fifty-two".