766015081 has 8 divisors (see below), whose sum is σ = 827596224. Its totient is φ = 704813520.

The previous prime is 766015057. The next prime is 766015123. The reversal of 766015081 is 180510667.

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 766015081 - 2¹³ = 766006889 is a prime.

It is a super-2 number, since 2×766015081² = 1173558208638873122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (766015021) 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, 90691 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (103449528).

Almost surely, 2^766015081 is an apocalyptic number.

It is an amenable number.

766015081 is a deficient number, since it is larger than the sum of its proper divisors (61581143).

766015081 is a wasteful number, since it uses less digits than its factorization.

766015081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189791.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 766015081 is about 27676.9774541947. The cubic root of 766015081 is about 914.9817671822.

The spelling of 766015081 in words is "seven hundred sixty-six million, fifteen thousand, eighty-one".