76720188883 has 4 divisors (see below), whose sum is σ = 82621741888. Its totient is φ = 70818635880.

The previous prime is 76720188781. The next prime is 76720188887. The reversal of 76720188883 is 38888102767.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38888102767 = 155461 ⋅250147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76720188883 is a prime.

It is a super-3 number, since 3×76720188883³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76720188887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950776483 + ... + 2950776508.

It is an arithmetic number, because the mean of its divisors is an integer number (20655435472).

Almost surely, 2^76720188883 is an apocalyptic number.

76720188883 is a deficient number, since it is larger than the sum of its proper divisors (5901553005).

76720188883 is a wasteful number, since it uses less digits than its factorization.

76720188883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901553004.

The product of its (nonzero) digits is 7225344, while the sum is 58.

The spelling of 76720188883 in words is "seventy-six billion, seven hundred twenty million, one hundred eighty-eight thousand, eight hundred eighty-three".