77047043 has 8 divisors (see below), whose sum is σ = 81745200. Its totient is φ = 72367360.

The previous prime is 77047039. The next prime is 77047049. The reversal of 77047043 is 34074077.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77047043 - 2² = 77047039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77047049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4508 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (10218150).

Almost surely, 2^77047043 is an apocalyptic number.

77047043 is a deficient number, since it is larger than the sum of its proper divisors (4698157).

77047043 is a wasteful number, since it uses less digits than its factorization.

77047043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 77047043 is about 8777.6445018012. The cubic root of 77047043 is about 425.5187078417.

The spelling of 77047043 in words is "seventy-seven million, forty-seven thousand, forty-three".