27679098001 has 4 divisors (see below), whose sum is σ = 27679437604. Its totient is φ = 27678758400.

The previous prime is 27679097993. The next prime is 27679098077. The reversal of 27679098001 is 10089097672.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12611290000 + 15067808001 = 112300^2 + 122751^2 .

It is a 3-Lehmer number, since φ(27679098001) divides (27679098001-1)³.

It is a cyclic number.

It is not a de Polignac number, because 27679098001 - 2³ = 27679097993 is a prime.

It is a super-2 number, since 2×27679098001² (a number of 22 digits) contains 22 as substring.

It is a deceptive number, since it divides R_27679098000.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27679095001) 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, 33961 + ... + 237721.

It is an arithmetic number, because the mean of its divisors is an integer number (6919859401).

Almost surely, 2^27679098001 is an apocalyptic number.

27679098001 is the 135841-st pentagonal number.

It is an amenable number.

27679098001 is a deficient number, since it is larger than the sum of its proper divisors (339603).

27679098001 is a wasteful number, since it uses less digits than its factorization.

27679098001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339602.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 27679098001 in words is "twenty-seven billion, six hundred seventy-nine million, ninety-eight thousand, one".