620999487192 has 256 divisors, whose sum is σ = 1875795148800. Its totient is φ = 167487851520.

The previous prime is 620999487191. The next prime is 620999487211. The reversal of 620999487192 is 291784999026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620999487191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222499317 + ... + 222502107.

It is an arithmetic number, because the mean of its divisors is an integer number (7327324800).

Almost surely, 2^620999487192 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 620999487192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937897574400).

620999487192 is an abundant number, since it is smaller than the sum of its proper divisors (1254795661608).

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

620999487192 is a wasteful number, since it uses less digits than its factorization.

620999487192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 620999487192 in words is "six hundred twenty billion, nine hundred ninety-nine million, four hundred eighty-seven thousand, one hundred ninety-two".