852270021497 has 8 divisors (see below), whose sum is σ = 853434489600. Its totient is φ = 851105700864.

The previous prime is 852270021487. The next prime is 852270021523. The reversal of 852270021497 is 794120072258.

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 852270021497 - 2⁴ = 852270021481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852270021467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16553168 + ... + 16604574.

It is an arithmetic number, because the mean of its divisors is an integer number (106679311200).

Almost surely, 2^852270021497 is an apocalyptic number.

It is an amenable number.

852270021497 is a deficient number, since it is larger than the sum of its proper divisors (1164468103).

852270021497 is a wasteful number, since it uses less digits than its factorization.

852270021497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73735.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 852270021497 in words is "eight hundred fifty-two billion, two hundred seventy million, twenty-one thousand, four hundred ninety-seven".