1617612007087 has 4 divisors (see below), whose sum is σ = 1618859203456. Its totient is φ = 1616364810720.

The previous prime is 1617612007079. The next prime is 1617612007093. The reversal of 1617612007087 is 7807002167161.

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 1617612007087 - 2³ = 1617612007079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617612007057) 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, 623596239 + ... + 623598832.

It is an arithmetic number, because the mean of its divisors is an integer number (404714800864).

Almost surely, 2^{1617612007087} is an apocalyptic number.

1617612007087 is a deficient number, since it is larger than the sum of its proper divisors (1247196369).

1617612007087 is a wasteful number, since it uses less digits than its factorization.

1617612007087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247196368.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 1617612007087 in words is "one trillion, six hundred seventeen billion, six hundred twelve million, seven thousand, eighty-seven".