4392770085 has 72 divisors (see below), whose sum is σ = 8417878560. Its totient is φ = 2117459520.

The previous prime is 4392770047. The next prime is 4392770089. The reversal of 4392770085 is 5800772934.

It is not a de Polignac number, because 4392770085 - 2¹² = 4392765989 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 4392770085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4392770089) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 972402 + ... + 976908.

It is an arithmetic number, because the mean of its divisors is an integer number (116914980).

Almost surely, 2^4392770085 is an apocalyptic number.

4392770085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4392770085 is a deficient number, since it is larger than the sum of its proper divisors (4025108475).

4392770085 is a wasteful number, since it uses less digits than its factorization.

4392770085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 4392770085 is about 66277.9758667991. The cubic root of 4392770085 is about 1637.7445305042.

It can be divided in two parts, 4392 and 770085, that added together give a palindrome (774477).

The spelling of 4392770085 in words is "four billion, three hundred ninety-two million, seven hundred seventy thousand, eighty-five".