77012067 has 16 divisors (see below), whose sum is σ = 113598720. Its totient is φ = 46015200.

The previous prime is 77012053. The next prime is 77012069. The reversal of 77012067 is 76021077.

It is a happy number.

It is not a de Polignac number, because 77012067 - 2¹¹ = 77010019 is a prime.

It is a super-2 number, since 2×77012067² = 11861716927224978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77012069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14092 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (7099920).

Almost surely, 2^77012067 is an apocalyptic number.

77012067 is a deficient number, since it is larger than the sum of its proper divisors (36586653).

77012067 is a wasteful number, since it uses less digits than its factorization.

77012067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32954.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 77012067 is about 8775.6519415939. The cubic root of 77012067 is about 425.4543091125.

The spelling of 77012067 in words is "seventy-seven million, twelve thousand, sixty-seven".