207279890087 has 8 divisors (see below), whose sum is σ = 219489725232. Its totient is φ = 195071932800.

The previous prime is 207279890033. The next prime is 207279890137. The reversal of 207279890087 is 780098972702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207279890087 - 2¹⁸ = 207279627943 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 (207279890687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238964 + ... + 686777.

It is an arithmetic number, because the mean of its divisors is an integer number (27436215654).

Almost surely, 2^207279890087 is an apocalyptic number.

207279890087 is a deficient number, since it is larger than the sum of its proper divisors (12209835145).

207279890087 is a wasteful number, since it uses less digits than its factorization.

207279890087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938929.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 207279890087 in words is "two hundred seven billion, two hundred seventy-nine million, eight hundred ninety thousand, eighty-seven".