77004043 has 4 divisors (see below), whose sum is σ = 77173000. Its totient is φ = 76835088.

The previous prime is 77004041. The next prime is 77004047. The reversal of 77004043 is 34040077.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 77004043 - 2¹ = 77004041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77003999 and 77004017.

It is not an unprimeable number, because it can be changed into a prime (77004041) 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, 83793 + ... + 84706.

It is an arithmetic number, because the mean of its divisors is an integer number (19293250).

Almost surely, 2^77004043 is an apocalyptic number.

77004043 is a deficient number, since it is larger than the sum of its proper divisors (168957).

77004043 is a wasteful number, since it uses less digits than its factorization.

77004043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168956.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 77004043 is about 8775.1947556735. The cubic root of 77004043 is about 425.4395323635.

The spelling of 77004043 in words is "seventy-seven million, four thousand, forty-three".