766013765 has 8 divisors (see below), whose sum is σ = 1002781728. Its totient is φ = 557100880.

The previous prime is 766013711. The next prime is 766013797. The reversal of 766013765 is 567310667.

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

It is not a de Polignac number, because 766013765 - 2¹² = 766009669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6963707 + ... + 6963816.

It is an arithmetic number, because the mean of its divisors is an integer number (125347716).

Almost surely, 2^766013765 is an apocalyptic number.

It is an amenable number.

766013765 is a deficient number, since it is larger than the sum of its proper divisors (236767963).

766013765 is a wasteful number, since it uses less digits than its factorization.

766013765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927539.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 766013765 is about 27676.9536799121. The cubic root of 766013765 is about 914.9812432079.

The spelling of 766013765 in words is "seven hundred sixty-six million, thirteen thousand, seven hundred sixty-five".