766670101 has 4 divisors (see below), whose sum is σ = 766746592. Its totient is φ = 766593612.

The previous prime is 766670089. The next prime is 766670137. The reversal of 766670101 is 101076667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 766670101 - 2²³ = 758281493 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 (766670161) 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, 20451 + ... + 44176.

It is an arithmetic number, because the mean of its divisors is an integer number (191686648).

Almost surely, 2^766670101 is an apocalyptic number.

It is an amenable number.

766670101 is a deficient number, since it is larger than the sum of its proper divisors (76491).

766670101 is a wasteful number, since it uses less digits than its factorization.

766670101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76490.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 766670101 is about 27688.8082264297. The cubic root of 766670101 is about 915.2424933845.

The spelling of 766670101 in words is "seven hundred sixty-six million, six hundred seventy thousand, one hundred one".