2670497587 has 4 divisors (see below), whose sum is σ = 2670644200. Its totient is φ = 2670350976.

The previous prime is 2670497569. The next prime is 2670497617. The reversal of 2670497587 is 7857940762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2670497587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2670497987) 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, 41337 + ... + 83962.

It is an arithmetic number, because the mean of its divisors is an integer number (667661050).

Almost surely, 2^2670497587 is an apocalyptic number.

2670497587 is a deficient number, since it is larger than the sum of its proper divisors (146613).

2670497587 is a wasteful number, since it uses less digits than its factorization.

2670497587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146612.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The square root of 2670497587 is about 51676.8573638142. The cubic root of 2670497587 is about 1387.3862839141.

The spelling of 2670497587 in words is "two billion, six hundred seventy million, four hundred ninety-seven thousand, five hundred eighty-seven".