77000206 has 4 divisors (see below), whose sum is σ = 115500312. Its totient is φ = 38500102.

The previous prime is 77000201. The next prime is 77000207. The reversal of 77000206 is 60200077.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19250050 + ... + 19250053.

It is an arithmetic number, because the mean of its divisors is an integer number (28875078).

Almost surely, 2^77000206 is an apocalyptic number.

77000206 is a deficient number, since it is larger than the sum of its proper divisors (38500106).

77000206 is a wasteful number, since it uses less digits than its factorization.

77000206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38500105.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 77000206 is about 8774.9761253236. The cubic root of 77000206 is about 425.4324659008.

The spelling of 77000206 in words is "seventy-seven million, two hundred six", and thus it is an aban number.