306900201887 has 4 divisors (see below), whose sum is σ = 315194801976. Its totient is φ = 298605601800.

The previous prime is 306900201877. The next prime is 306900201889. The reversal of 306900201887 is 788102009603.

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

It is a cyclic number.

It is not a de Polignac number, because 306900201887 - 2⁸ = 306900201631 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 (306900201889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4147299989 + ... + 4147300062.

It is an arithmetic number, because the mean of its divisors is an integer number (78798700494).

Almost surely, 2^306900201887 is an apocalyptic number.

306900201887 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

306900201887 is a deficient number, since it is larger than the sum of its proper divisors (8294600089).

306900201887 is an equidigital number, since it uses as much as digits as its factorization.

306900201887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294600088.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 306900201887 in words is "three hundred six billion, nine hundred million, two hundred one thousand, eight hundred eighty-seven".