77085043 has 16 divisors (see below), whose sum is σ = 90627264. Its totient is φ = 64189440.

The previous prime is 77085013. The next prime is 77085053. The reversal of 77085043 is 34058077.

It is not a de Polignac number, because 77085043 - 2⁵ = 77085011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77085013) 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, 96321 + ... + 97117.

It is an arithmetic number, because the mean of its divisors is an integer number (5664204).

Almost surely, 2^77085043 is an apocalyptic number.

77085043 is a deficient number, since it is larger than the sum of its proper divisors (13542221).

77085043 is a wasteful number, since it uses less digits than its factorization.

77085043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 77085043 is about 8779.8088247980. The cubic root of 77085043 is about 425.5886523529.

The spelling of 77085043 in words is "seventy-seven million, eighty-five thousand, forty-three".