3087979875421 has 4 divisors (see below), whose sum is σ = 3529119857632. Its totient is φ = 2646839893212.

The previous prime is 3087979875361. The next prime is 3087979875557. The reversal of 3087979875421 is 1245789797803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3087979875421 is a prime.

It is a super-2 number, since 2×3087979875421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087979879421) 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, 220569991095 + ... + 220569991108.

It is an arithmetic number, because the mean of its divisors is an integer number (882279964408).

Almost surely, 2^{3087979875421} is an apocalyptic number.

It is an amenable number.

3087979875421 is a deficient number, since it is larger than the sum of its proper divisors (441139982211).

3087979875421 is an equidigital number, since it uses as much as digits as its factorization.

3087979875421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441139982210.

The product of its (nonzero) digits is 213373440, while the sum is 70.

The spelling of 3087979875421 in words is "three trillion, eighty-seven billion, nine hundred seventy-nine million, eight hundred seventy-five thousand, four hundred twenty-one".