349487865807 has 8 divisors (see below), whose sum is σ = 466981646976. Its totient is φ = 232492997592.

The previous prime is 349487865787. The next prime is 349487865821. The reversal of 349487865807 is 708568784943.

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

It is not a de Polignac number, because 349487865807 - 2¹⁶ = 349487800271 is a prime.

It is a super-2 number, since 2×349487865807² (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 (349487865907) 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, 124726603 + ... + 124729404.

It is an arithmetic number, because the mean of its divisors is an integer number (58372705872).

Almost surely, 2^349487865807 is an apocalyptic number.

349487865807 is a deficient number, since it is larger than the sum of its proper divisors (117493781169).

349487865807 is a wasteful number, since it uses less digits than its factorization.

349487865807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249456477.

The product of its (nonzero) digits is 325140480, while the sum is 69.

The spelling of 349487865807 in words is "three hundred forty-nine billion, four hundred eighty-seven million, eight hundred sixty-five thousand, eight hundred seven".