76508403520 has 112 divisors (see below), whose sum is σ = 191916466560. Its totient is φ = 28971177984.

The previous prime is 76508403497. The next prime is 76508403529. The reversal of 76508403520 is 2530480567.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76508403529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9949117 + ... + 9956803.

It is an arithmetic number, because the mean of its divisors is an integer number (1713539880).

Almost surely, 2^76508403520 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 76508403520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95958233280).

76508403520 is an abundant number, since it is smaller than the sum of its proper divisors (115408063040).

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

76508403520 is a wasteful number, since it uses less digits than its factorization.

76508403520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 76508403520 in words is "seventy-six billion, five hundred eight million, four hundred three thousand, five hundred twenty".