349786827885 has 16 divisors (see below), whose sum is σ = 610537008960. Its totient is φ = 169593613440.

The previous prime is 349786827821. The next prime is 349786827889. The reversal of 349786827885 is 588728687943.

It is not a de Polignac number, because 349786827885 - 2⁶ = 349786827821 is a prime.

It is a super-2 number, since 2×349786827885² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349786827889) 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, 1059959920 + ... + 1059960249.

It is an arithmetic number, because the mean of its divisors is an integer number (38158563060).

Almost surely, 2^349786827885 is an apocalyptic number.

It is an amenable number.

349786827885 is a deficient number, since it is larger than the sum of its proper divisors (260750181075).

349786827885 is a wasteful number, since it uses less digits than its factorization.

349786827885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119920188.

The product of its digits is 1300561920, while the sum is 75.

The spelling of 349786827885 in words is "three hundred forty-nine billion, seven hundred eighty-six million, eight hundred twenty-seven thousand, eight hundred eighty-five".