77048783 has 4 divisors (see below), whose sum is σ = 88055760. Its totient is φ = 66041808.

The previous prime is 77048773. The next prime is 77048789. The reversal of 77048783 is 38784077.

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

It is not a de Polignac number, because 77048783 - 2⁴ = 77048767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77048789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5503478 + ... + 5503491.

It is an arithmetic number, because the mean of its divisors is an integer number (22013940).

Almost surely, 2^77048783 is an apocalyptic number.

77048783 is a deficient number, since it is larger than the sum of its proper divisors (11006977).

77048783 is a wasteful number, since it uses less digits than its factorization.

77048783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006976.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 77048783 is about 8777.7436166705. The cubic root of 77048783 is about 425.5219110664.

The spelling of 77048783 in words is "seventy-seven million, forty-eight thousand, seven hundred eighty-three".