4621075987 has 4 divisors (see below), whose sum is σ = 5041173816. Its totient is φ = 4200978160.

The previous prime is 4621075957. The next prime is 4621075997. The reversal of 4621075987 is 7895701264.

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 4621075987 - 2⁷ = 4621075859 is a prime.

It is a super-4 number, since 4×4621075987⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4621075987.

It is not an unprimeable number, because it can be changed into a prime (4621075957) 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, 210048898 + ... + 210048919.

It is an arithmetic number, because the mean of its divisors is an integer number (1260293454).

Almost surely, 2^4621075987 is an apocalyptic number.

4621075987 is a deficient number, since it is larger than the sum of its proper divisors (420097829).

4621075987 is a wasteful number, since it uses less digits than its factorization.

4621075987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420097828.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 4621075987 is about 67978.4965044094. The cubic root of 4621075987 is about 1665.6395967576.

The spelling of 4621075987 in words is "four billion, six hundred twenty-one million, seventy-five thousand, nine hundred eighty-seven".