76651253172 has 144 divisors (see below), whose sum is σ = 211406377728. Its totient is φ = 23276367360.

The previous prime is 76651253171. The next prime is 76651253183. The reversal of 76651253172 is 27135215667.

It is a happy number.

76651253172 is a `hidden beast` number, since 7 + 66 + 51 + 2 + 531 + 7 + 2 = 666.

It is a super-3 number, since 3×76651253172³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76651253171) 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, 14988888 + ... + 14994000.

Almost surely, 2^76651253172 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 76651253172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105703188864).

76651253172 is an abundant number, since it is smaller than the sum of its proper divisors (134755124556).

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

76651253172 is a wasteful number, since it uses less digits than its factorization.

76651253172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5545 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 76651253172 in words is "seventy-six billion, six hundred fifty-one million, two hundred fifty-three thousand, one hundred seventy-two".