76324357780 has 96 divisors (see below), whose sum is σ = 178463577600. Its totient is φ = 27184896000.

The previous prime is 76324357699. The next prime is 76324357789. The reversal of 76324357780 is 8775342367.

It is a happy number.

It is a super-3 number, since 3×76324357780³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76324357789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3222421 + ... + 3246019.

It is an arithmetic number, because the mean of its divisors is an integer number (1858995600).

Almost surely, 2^76324357780 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 76324357780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89231788800).

76324357780 is an abundant number, since it is smaller than the sum of its proper divisors (102139219820).

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

76324357780 is a wasteful number, since it uses less digits than its factorization.

76324357780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23921 (or 23919 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 76324357780 in words is "seventy-six billion, three hundred twenty-four million, three hundred fifty-seven thousand, seven hundred eighty".