676510397550 has 192 divisors, whose sum is σ = 2072320696320. Its totient is φ = 161153712000.

The previous prime is 676510397509. The next prime is 676510397621. The reversal of 676510397550 is 55793015676.

676510397550 is a `hidden beast` number, since 6 + 7 + 6 + 51 + 0 + 39 + 7 + 550 = 666.

676510397550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77686 + ... + 1165785.

It is an arithmetic number, because the mean of its divisors is an integer number (10793336960).

Almost surely, 2^676510397550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676510397550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036160348160).

676510397550 is an abundant number, since it is smaller than the sum of its proper divisors (1395810298770).

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

676510397550 is a wasteful number, since it uses less digits than its factorization.

676510397550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243536 (or 1243525 counting only the distinct ones).

The product of its (nonzero) digits is 5953500, while the sum is 54.

The spelling of 676510397550 in words is "six hundred seventy-six billion, five hundred ten million, three hundred ninety-seven thousand, five hundred fifty".