620617184427 has 8 divisors (see below), whose sum is σ = 827499678016. Its totient is φ = 413739740232.

The previous prime is 620617184401. The next prime is 620617184431. The reversal of 620617184427 is 724481716026.

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

It is not a de Polignac number, because 620617184427 - 2¹² = 620617180331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620617183427) 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, 965593 + ... + 1474314.

It is an arithmetic number, because the mean of its divisors is an integer number (103437459752).

Almost surely, 2^620617184427 is an apocalyptic number.

620617184427 is a deficient number, since it is larger than the sum of its proper divisors (206882493589).

620617184427 is a wasteful number, since it uses less digits than its factorization.

620617184427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524697.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 620617184427 in words is "six hundred twenty billion, six hundred seventeen million, one hundred eighty-four thousand, four hundred twenty-seven".