1617087087 has 24 divisors (see below), whose sum is σ = 2912158080. Its totient is φ = 840044880.

The previous prime is 1617087083. The next prime is 1617087089. The reversal of 1617087087 is 7807807161.

It is a happy number.

It is not a de Polignac number, because 1617087087 - 2² = 1617087083 is a prime.

It is a super-2 number, since 2×1617087087² = 5229941293884291138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617087083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166037 + ... + 1167422.

It is an arithmetic number, because the mean of its divisors is an integer number (121339920).

Almost surely, 2^1617087087 is an apocalyptic number.

1617087087 is a deficient number, since it is larger than the sum of its proper divisors (1295070993).

1617087087 is a wasteful number, since it uses less digits than its factorization.

1617087087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333483 (or 2333480 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The square root of 1617087087 is about 40213.0213612457. The cubic root of 1617087087 is about 1173.7559398421.

The spelling of 1617087087 in words is "one billion, six hundred seventeen million, eighty-seven thousand, eighty-seven".