3487206347507 has 4 divisors (see below), whose sum is σ = 3487252747776. Its totient is φ = 3487159947240.

The previous prime is 3487206347501. The next prime is 3487206347557. The reversal of 3487206347507 is 7057436027843.

It is a happy number.

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 3487206347507 - 2¹⁴ = 3487206331123 is a prime.

It is a super-2 number, since 2×3487206347507² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487206347501) 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, 23087219 + ... + 23237772.

It is an arithmetic number, because the mean of its divisors is an integer number (871813186944).

Almost surely, 2^{3487206347507} is an apocalyptic number.

3487206347507 is a deficient number, since it is larger than the sum of its proper divisors (46400269).

3487206347507 is an equidigital number, since it uses as much as digits as its factorization.

3487206347507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46400268.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 3487206347507 in words is "three trillion, four hundred eighty-seven billion, two hundred six million, three hundred forty-seven thousand, five hundred seven".