234407570085 has 32 divisors (see below), whose sum is σ = 448780308480. Its totient is φ = 115400649024.

The previous prime is 234407570071. The next prime is 234407570093. The reversal of 234407570085 is 580075704432.

234407570085 is a `hidden beast` number, since 2 + 34 + 40 + 7 + 570 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 234407570085 - 2⁶ = 234407570021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 234407570085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66781029 + ... + 66784538.

It is an arithmetic number, because the mean of its divisors is an integer number (14024384640).

Almost surely, 2^234407570085 is an apocalyptic number.

It is an amenable number.

234407570085 is a deficient number, since it is larger than the sum of its proper divisors (214372738395).

234407570085 is a wasteful number, since it uses less digits than its factorization.

234407570085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133565594 (or 133565588 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 234407570085 in words is "two hundred thirty-four billion, four hundred seven million, five hundred seventy thousand, eighty-five".