858472355 has 32 divisors (see below), whose sum is σ = 1197624960. Its totient is φ = 585446400.

The previous prime is 858472319. The next prime is 858472379. The reversal of 858472355 is 553274858.

It is not a de Polignac number, because 858472355 - 2¹⁶ = 858406819 is a prime.

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, 33455 + ... + 53255.

It is an arithmetic number, because the mean of its divisors is an integer number (37425780).

Almost surely, 2^858472355 is an apocalyptic number.

858472355 is a deficient number, since it is larger than the sum of its proper divisors (339152605).

858472355 is a wasteful number, since it uses less digits than its factorization.

858472355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871.

The product of its digits is 1344000, while the sum is 47.

The square root of 858472355 is about 29299.6988892378. The cubic root of 858472355 is about 950.4051291465.

The spelling of 858472355 in words is "eight hundred fifty-eight million, four hundred seventy-two thousand, three hundred fifty-five".