75680877821 has 8 divisors (see below), whose sum is σ = 77304046464. Its totient is φ = 74058248320.

The previous prime is 75680877791. The next prime is 75680877841. The reversal of 75680877821 is 12877808657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75680877821 - 2³⁴ = 58501008637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75680877841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155606 + ... + 419016.

It is an arithmetic number, because the mean of its divisors is an integer number (9663005808).

Almost surely, 2^75680877821 is an apocalyptic number.

It is an amenable number.

75680877821 is a deficient number, since it is larger than the sum of its proper divisors (1623168643).

75680877821 is a wasteful number, since it uses less digits than its factorization.

75680877821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269571.

The product of its (nonzero) digits is 10536960, while the sum is 59.

The spelling of 75680877821 in words is "seventy-five billion, six hundred eighty million, eight hundred seventy-seven thousand, eight hundred twenty-one".