85237770553 has 8 divisors (see below), whose sum is σ = 92900481408. Its totient is φ = 77733053904.

The previous prime is 85237770523. The next prime is 85237770587. The reversal of 85237770553 is 35507773258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85237770553 - 2⁵ = 85237770521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85237770553.

It is not an unprimeable number, because it can be changed into a prime (85237770523) by changing a digit.

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, 39497425 + ... + 39499582.

It is an arithmetic number, because the mean of its divisors is an integer number (11612560176).

Almost surely, 2^85237770553 is an apocalyptic number.

85237770553 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85237770553 is a deficient number, since it is larger than the sum of its proper divisors (7662710855).

85237770553 is a wasteful number, since it uses less digits than its factorization.

85237770553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78997103.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 85237770553 in words is "eighty-five billion, two hundred thirty-seven million, seven hundred seventy thousand, five hundred fifty-three".