2017970087 has 12 divisors (see below), whose sum is σ = 2352880656. Its totient is φ = 1725675840.

The previous prime is 2017970077. The next prime is 2017970089. The reversal of 2017970087 is 7800797102.

It is not a de Polignac number, because 2017970087 - 2¹² = 2017965991 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017970089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26339 + ... + 68772.

It is an arithmetic number, because the mean of its divisors is an integer number (196073388).

Almost surely, 2^2017970087 is an apocalyptic number.

2017970087 is a deficient number, since it is larger than the sum of its proper divisors (334910569).

2017970087 is an equidigital number, since it uses as much as digits as its factorization.

2017970087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95558 (or 95551 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 2017970087 is about 44921.8219465774. The cubic root of 2017970087 is about 1263.6832861540.

The spelling of 2017970087 in words is "two billion, seventeen million, nine hundred seventy thousand, eighty-seven".