855000231407 has 4 divisors (see below), whose sum is σ = 977143121616. Its totient is φ = 732857341200.

The previous prime is 855000231391. The next prime is 855000231409. The reversal of 855000231407 is 704132000558.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855000231407 - 2⁴ = 855000231391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855000231409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61071445094 + ... + 61071445107.

It is an arithmetic number, because the mean of its divisors is an integer number (244285780404).

Almost surely, 2^855000231407 is an apocalyptic number.

855000231407 is a deficient number, since it is larger than the sum of its proper divisors (122142890209).

855000231407 is a wasteful number, since it uses less digits than its factorization.

855000231407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122142890208.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 855000231407 in words is "eight hundred fifty-five billion, two hundred thirty-one thousand, four hundred seven".