76775005 has 8 divisors (see below), whose sum is σ = 93868632. Its totient is φ = 60260928.

The previous prime is 76774987. The next prime is 76775011. The reversal of 76775005 is 50057767.

It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 74545956 = 1493^2 + 8634^2 .

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 76775005 - 2¹⁹ = 76250717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144594 + ... + 145123.

It is an arithmetic number, because the mean of its divisors is an integer number (11733579).

Almost surely, 2^76775005 is an apocalyptic number.

It is an amenable number.

76775005 is a deficient number, since it is larger than the sum of its proper divisors (17093627).

76775005 is a wasteful number, since it uses less digits than its factorization.

76775005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289775.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 76775005 is about 8762.1347284780. The cubic root of 76775005 is about 425.0173095603.

The spelling of 76775005 in words is "seventy-six million, seven hundred seventy-five thousand, five".