76734859212 has 144 divisors (see below), whose sum is σ = 224239186080. Its totient is φ = 21903436800.

The previous prime is 76734859211. The next prime is 76734859217. The reversal of 76734859212 is 21295843767.

It is a happy number.

76734859212 is a `hidden beast` number, since 7 + 6 + 7 + 3 + 48 + 592 + 1 + 2 = 666.

It is a super-2 number, since 2×76734859212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76734859211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389358 + ... + 552330.

It is an arithmetic number, because the mean of its divisors is an integer number (1557216570).

Almost surely, 2^76734859212 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 76734859212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112119593040).

76734859212 is an abundant number, since it is smaller than the sum of its proper divisors (147504326868).

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

76734859212 is a wasteful number, since it uses less digits than its factorization.

76734859212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163064 (or 163059 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 76734859212 in words is "seventy-six billion, seven hundred thirty-four million, eight hundred fifty-nine thousand, two hundred twelve".