854770947 has 8 divisors (see below), whose sum is σ = 1140877056. Its totient is φ = 569256072.

The previous prime is 854770913. The next prime is 854770991. The reversal of 854770947 is 749077458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 854770947 - 2⁶ = 854770883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 854770947.

It is not an unprimeable number, because it can be changed into a prime (854770907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144423 + ... + 150224.

It is an arithmetic number, because the mean of its divisors is an integer number (142609632).

Almost surely, 2^854770947 is an apocalyptic number.

854770947 is a deficient number, since it is larger than the sum of its proper divisors (286106109).

854770947 is a wasteful number, since it uses less digits than its factorization.

854770947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295617.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 854770947 is about 29236.4660484129. The cubic root of 854770947 is about 949.0372321940.

The spelling of 854770947 in words is "eight hundred fifty-four million, seven hundred seventy thousand, nine hundred forty-seven".