349939777587 has 4 divisors (see below), whose sum is σ = 466586370120. Its totient is φ = 233293185056.

The previous prime is 349939777571. The next prime is 349939777637. The reversal of 349939777587 is 785777939943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349939777587 - 2⁴ = 349939777571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349939777547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58323296262 + ... + 58323296267.

It is an arithmetic number, because the mean of its divisors is an integer number (116646592530).

Almost surely, 2^349939777587 is an apocalyptic number.

349939777587 is a deficient number, since it is larger than the sum of its proper divisors (116646592533).

349939777587 is a wasteful number, since it uses less digits than its factorization.

349939777587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116646592532.

The product of its digits is 2520473760, while the sum is 78.

The spelling of 349939777587 in words is "three hundred forty-nine billion, nine hundred thirty-nine million, seven hundred seventy-seven thousand, five hundred eighty-seven".