77000017 has 4 divisors (see below), whose sum is σ = 79655220. Its totient is φ = 74344816.

The previous prime is 77000003. The next prime is 77000029. The reversal of 77000017 is 71000077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71000077 = 37 ⋅1918921.

It can be written as a sum of positive squares in 2 ways, for example, as 59351616 + 17648401 = 7704^2 + 4201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77000017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77000047) 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, 1327558 + ... + 1327615.

It is an arithmetic number, because the mean of its divisors is an integer number (19913805).

Almost surely, 2^77000017 is an apocalyptic number.

It is an amenable number.

77000017 is a deficient number, since it is larger than the sum of its proper divisors (2655203).

77000017 is a wasteful number, since it uses less digits than its factorization.

77000017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655202.

The product of its (nonzero) digits is 343, while the sum is 22.

The square root of 77000017 is about 8774.9653560570. The cubic root of 77000017 is about 425.4321178204.

The spelling of 77000017 in words is "seventy-seven million, seventeen", and thus it is an aban number and an uban number.