666034077 has 8 divisors (see below), whose sum is σ = 912046816. Its totient is φ = 432022032.

The previous prime is 666034073. The next prime is 666034099. The reversal of 666034077 is 770430666.

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

It is not a de Polignac number, because 666034077 - 2² = 666034073 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 (666034073) 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, 3000043 + ... + 3000264.

It is an arithmetic number, because the mean of its divisors is an integer number (114005852).

Almost surely, 2^666034077 is an apocalyptic number.

It is an amenable number.

666034077 is a deficient number, since it is larger than the sum of its proper divisors (246012739).

666034077 is a wasteful number, since it uses less digits than its factorization.

666034077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000347.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 666034077 is about 25807.6360211469. The cubic root of 666034077 is about 873.3040683076.

The spelling of 666034077 in words is "six hundred sixty-six million, thirty-four thousand, seventy-seven".