497628789660 has 72 divisors (see below), whose sum is σ = 1523322440640. Its totient is φ = 131483564928.

The previous prime is 497628789649. The next prime is 497628789661. The reversal of 497628789660 is 66987826794.

497628789660 is a `hidden beast` number, since 497 + 6 + 2 + 8 + 78 + 9 + 6 + 60 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497628789661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12662052 + ... + 12701291.

It is an arithmetic number, because the mean of its divisors is an integer number (21157256120).

Almost surely, 2^497628789660 is an apocalyptic number.

It is an amenable number.

497628789660 is an abundant number, since it is smaller than the sum of its proper divisors (1025693650980).

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

497628789660 is a wasteful number, since it uses less digits than its factorization.

497628789660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25363467 (or 25363462 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 497628789660 in words is "four hundred ninety-seven billion, six hundred twenty-eight million, seven hundred eighty-nine thousand, six hundred sixty".