827426545 has 16 divisors (see below), whose sum is σ = 1098437760. Its totient is φ = 593286400.

The previous prime is 827426543. The next prime is 827426557. The reversal of 827426545 is 545624728.

It is a happy number.

It is not a de Polignac number, because 827426545 - 2¹ = 827426543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (827426543) 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, 102040 + ... + 109849.

It is an arithmetic number, because the mean of its divisors is an integer number (68652360).

Almost surely, 2^827426545 is an apocalyptic number.

It is an amenable number.

827426545 is a deficient number, since it is larger than the sum of its proper divisors (271011215).

827426545 is a wasteful number, since it uses less digits than its factorization.

827426545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211976.

The product of its digits is 537600, while the sum is 43.

The square root of 827426545 is about 28765.0229445415. The cubic root of 827426545 is about 938.8073545796.

The spelling of 827426545 in words is "eight hundred twenty-seven million, four hundred twenty-six thousand, five hundred forty-five".