620018087 has 4 divisors (see below), whose sum is σ = 667711800. Its totient is φ = 572324376.

The previous prime is 620018071. The next prime is 620018117. The reversal of 620018087 is 780810026.

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

It is not a de Polignac number, because 620018087 - 2⁴ = 620018071 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 (620018387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23846837 + ... + 23846862.

It is an arithmetic number, because the mean of its divisors is an integer number (166927950).

Almost surely, 2^620018087 is an apocalyptic number.

620018087 is a deficient number, since it is larger than the sum of its proper divisors (47693713).

620018087 is a wasteful number, since it uses less digits than its factorization.

620018087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47693712.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 620018087 is about 24900.1623890287. The cubic root of 620018087 is about 852.7101900858.

The spelling of 620018087 in words is "six hundred twenty million, eighteen thousand, eighty-seven".