3257417665087 has 4 divisors (see below), whose sum is σ = 3262257810880. Its totient is φ = 3252577519296.

The previous prime is 3257417665067. The next prime is 3257417665097. The reversal of 3257417665087 is 7805667147523.

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 3257417665087 - 2⁷ = 3257417664959 is a prime.

It is a super-2 number, since 2×3257417665087² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257417665067) 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, 2420071887 + ... + 2420073232.

It is an arithmetic number, because the mean of its divisors is an integer number (815564452720).

Almost surely, 2^{3257417665087} is an apocalyptic number.

3257417665087 is a deficient number, since it is larger than the sum of its proper divisors (4840145793).

3257417665087 is an equidigital number, since it uses as much as digits as its factorization.

3257417665087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840145792.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 3257417665087 in words is "three trillion, two hundred fifty-seven billion, four hundred seventeen million, six hundred sixty-five thousand, eighty-seven".