77000067 has 12 divisors (see below), whose sum is σ = 116058384. Its totient is φ = 49101360.

The previous prime is 77000047. The next prime is 77000069. The reversal of 77000067 is 76000077.

It is not a de Polignac number, because 77000067 - 2⁶ = 77000003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77000067.

It is not an unprimeable number, because it can be changed into a prime (77000069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185784 + ... + 186197.

It is an arithmetic number, because the mean of its divisors is an integer number (9671532).

Almost surely, 2^77000067 is an apocalyptic number.

77000067 is a deficient number, since it is larger than the sum of its proper divisors (39058317).

77000067 is a wasteful number, since it uses less digits than its factorization.

77000067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372010 (or 372007 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 77000067 is about 8774.9682050706. The cubic root of 77000067 is about 425.4322099052.

The spelling of 77000067 in words is "seventy-seven million, sixty-seven", and thus it is an aban number and an uban number.