620577085 has 8 divisors (see below), whose sum is σ = 745468416. Its totient is φ = 495944400.

The previous prime is 620577077. The next prime is 620577101. The reversal of 620577085 is 580775026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620577085 - 2³ = 620577077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59341 + ... + 69010.

It is an arithmetic number, because the mean of its divisors is an integer number (93183552).

Almost surely, 2^620577085 is an apocalyptic number.

It is an amenable number.

620577085 is a deficient number, since it is larger than the sum of its proper divisors (124891331).

620577085 is a wasteful number, since it uses less digits than its factorization.

620577085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129323.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 620577085 is about 24911.3846463821. The cubic root of 620577085 is about 852.9663762208.

The spelling of 620577085 in words is "six hundred twenty million, five hundred seventy-seven thousand, eighty-five".