620427111 has 8 divisors (see below), whose sum is σ = 827708784. Its totient is φ = 413381760.

The previous prime is 620427089. The next prime is 620427113. The reversal of 620427111 is 111724026.

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

It is not a de Polignac number, because 620427111 - 2¹⁴ = 620410727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620427113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52860 + ... + 63521.

It is an arithmetic number, because the mean of its divisors is an integer number (103463598).

Almost surely, 2^620427111 is an apocalyptic number.

620427111 is a deficient number, since it is larger than the sum of its proper divisors (207281673).

620427111 is a wasteful number, since it uses less digits than its factorization.

620427111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118161.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 620427111 is about 24908.3743146758. The cubic root of 620427111 is about 852.8976589528.

The spelling of 620427111 in words is "six hundred twenty million, four hundred twenty-seven thousand, one hundred eleven".