84270408257 has 8 divisors (see below), whose sum is σ = 96581870976. Its totient is φ = 72027153792.

The previous prime is 84270408151. The next prime is 84270408281. The reversal of 84270408257 is 75280407248.

It is a happy number.

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 84270408257 - 2²² = 84266213953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84270408757) 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, 17049413 + ... + 17054354.

It is an arithmetic number, because the mean of its divisors is an integer number (12072733872).

Almost surely, 2^84270408257 is an apocalyptic number.

It is an amenable number.

84270408257 is a deficient number, since it is larger than the sum of its proper divisors (12311462719).

84270408257 is a wasteful number, since it uses less digits than its factorization.

84270408257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34104127.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 84270408257 in words is "eighty-four billion, two hundred seventy million, four hundred eight thousand, two hundred fifty-seven".