766076405021 has 8 divisors (see below), whose sum is σ = 766711116864. Its totient is φ = 765441855360.

The previous prime is 766076404999. The next prime is 766076405057. The reversal of 766076405021 is 120504670667.

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 766076405021 - 2¹⁸ = 766076142877 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 (766076401021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10533101 + ... + 10605581.

It is an arithmetic number, because the mean of its divisors is an integer number (95838889608).

Almost surely, 2^766076405021 is an apocalyptic number.

It is an amenable number.

766076405021 is a deficient number, since it is larger than the sum of its proper divisors (634711843).

766076405021 is a wasteful number, since it uses less digits than its factorization.

766076405021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81091.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 766076405021 in words is "seven hundred sixty-six billion, seventy-six million, four hundred five thousand, twenty-one".