201387271679 has 8 divisors (see below), whose sum is σ = 223840398672. Its totient is φ = 179625010240.

The previous prime is 201387271661. The next prime is 201387271681. The reversal of 201387271679 is 976172783102.

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 201387271679 - 2³⁶ = 132667794943 is a prime.

It is a super-2 number, since 2×201387271679² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 201387271679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201387271609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172715774 + ... + 172716939.

It is an arithmetic number, because the mean of its divisors is an integer number (27980049834).

Almost surely, 2^201387271679 is an apocalyptic number.

201387271679 is a deficient number, since it is larger than the sum of its proper divisors (22453126993).

201387271679 is a wasteful number, since it uses less digits than its factorization.

201387271679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345432777.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 201387271679 in words is "two hundred one billion, three hundred eighty-seven million, two hundred seventy-one thousand, six hundred seventy-nine".