620231852453976 has 768 divisors, whose sum is σ = 2145265041600000. Its totient is φ = 165067783372800.

The previous prime is 620231852453737. The next prime is 620231852453999. The reversal of 620231852453976 is 679354258132026.

620231852453976 is a `hidden beast` number, since 6 + 2 + 0 + 2 + 3 + 1 + 8 + 5 + 24 + 539 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3203563576 + ... + 3203757176.

It is an arithmetic number, because the mean of its divisors is an integer number (2793313856250).

It is a 1-persistent number, because it is pandigital, but 2⋅620231852453976 = 1240463704907952 is not.

Almost surely, 2^{620231852453976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620231852453976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072632520800000).

620231852453976 is an abundant number, since it is smaller than the sum of its proper divisors (1525033189146024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620231852453976 is a wasteful number, since it uses less digits than its factorization.

620231852453976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193917 (or 193900 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 620231852453976 in words is "six hundred twenty trillion, two hundred thirty-one billion, eight hundred fifty-two million, four hundred fifty-three thousand, nine hundred seventy-six".