855627497 has 8 divisors (see below), whose sum is σ = 883564800. Its totient is φ = 827711280.

The previous prime is 855627469. The next prime is 855627503. The reversal of 855627497 is 794726558.

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 855627497 - 2²⁸ = 587192041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855627467) 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, 155363 + ... + 160775.

It is an arithmetic number, because the mean of its divisors is an integer number (110445600).

Almost surely, 2^855627497 is an apocalyptic number.

It is an amenable number.

855627497 is a deficient number, since it is larger than the sum of its proper divisors (27937303).

855627497 is a wasteful number, since it uses less digits than its factorization.

855627497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its digits is 4233600, while the sum is 53.

The square root of 855627497 is about 29251.1110387281. Note that the first 3 decimals coincide. The cubic root of 855627497 is about 949.3541305261.

The spelling of 855627497 in words is "eight hundred fifty-five million, six hundred twenty-seven thousand, four hundred ninety-seven".