854420637 has 16 divisors (see below), whose sum is σ = 1302884352. Its totient is φ = 487899120.

The previous prime is 854420569. The next prime is 854420641. The reversal of 854420637 is 736024458.

It is a happy number.

It is not a de Polignac number, because 854420637 - 2¹⁶ = 854355101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 854420595 and 854420604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854420837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18268 + ... + 45194.

It is an arithmetic number, because the mean of its divisors is an integer number (81430272).

Almost surely, 2^854420637 is an apocalyptic number.

It is an amenable number.

854420637 is a deficient number, since it is larger than the sum of its proper divisors (448463715).

854420637 is a wasteful number, since it uses less digits than its factorization.

854420637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28448.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 854420637 is about 29230.4744573194. The cubic root of 854420637 is about 948.9075667901.

The spelling of 854420637 in words is "eight hundred fifty-four million, four hundred twenty thousand, six hundred thirty-seven".