76761140820 has 96 divisors (see below), whose sum is σ = 264530719488. Its totient is φ = 16195756032.

The previous prime is 76761140809. The next prime is 76761140837. The reversal of 76761140820 is 2804116767.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7023949 + ... + 7034868.

It is an arithmetic number, because the mean of its divisors is an integer number (2755528328).

Almost surely, 2^76761140820 is an apocalyptic number.

76761140820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76761140820 is an abundant number, since it is smaller than the sum of its proper divisors (187769578668).

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

76761140820 is a wasteful number, since it uses less digits than its factorization.

76761140820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058849 (or 14058847 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 76761140820 in words is "seventy-six billion, seven hundred sixty-one million, one hundred forty thousand, eight hundred twenty".