117679561776 has 480 divisors, whose sum is σ = 407203270656. Its totient is φ = 32192640000.

The previous prime is 117679561633. The next prime is 117679561781. The reversal of 117679561776 is 677165976711.

117679561776 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 7 + 9 + 5 + 617 + 7 + 6 = 666.

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

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, 85212606 + ... + 85213986.

Almost surely, 2^117679561776 is an apocalyptic number.

117679561776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117679561776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203601635328).

117679561776 is an abundant number, since it is smaller than the sum of its proper divisors (289523708880).

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

117679561776 is a wasteful number, since it uses less digits than its factorization.

117679561776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1525 counting only the distinct ones).

The product of its digits is 23337720, while the sum is 63.

The spelling of 117679561776 in words is "one hundred seventeen billion, six hundred seventy-nine million, five hundred sixty-one thousand, seven hundred seventy-six".