620663115 has 32 divisors (see below), whose sum is σ = 1054347840. Its totient is φ = 310697984.

The previous prime is 620663093. The next prime is 620663159. The reversal of 620663115 is 511366026.

It is not a de Polignac number, because 620663115 - 2⁵ = 620663083 is a prime.

It is a super-3 number, since 3×620663115³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96067 + ... + 102323.

It is an arithmetic number, because the mean of its divisors is an integer number (32948370).

Almost surely, 2^620663115 is an apocalyptic number.

620663115 is a deficient number, since it is larger than the sum of its proper divisors (433684725).

620663115 is a wasteful number, since it uses less digits than its factorization.

620663115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 620663115 is about 24913.1113071009. Note that the first 3 decimals coincide. The cubic root of 620663115 is about 853.0057897003.

The spelling of 620663115 in words is "six hundred twenty million, six hundred sixty-three thousand, one hundred fifteen".