76775770 has 32 divisors (see below), whose sum is σ = 146047680. Its totient is φ = 28978560.

The previous prime is 76775767. The next prime is 76775773. The reversal of 76775770 is 7757767.

It is an interprime number because it is at equal distance from previous prime (76775767) and next prime (76775773).

It is a self number, because there is not a number n which added to its sum of digits gives 76775770.

It is not an unprimeable number, because it can be changed into a prime (76775773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58825 + ... + 60115.

It is an arithmetic number, because the mean of its divisors is an integer number (4563990).

Almost surely, 2^76775770 is an apocalyptic number.

76775770 is a deficient number, since it is larger than the sum of its proper divisors (69271910).

76775770 is a wasteful number, since it uses less digits than its factorization.

76775770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 504210, while the sum is 46.

The square root of 76775770 is about 8762.1783821148. The cubic root of 76775770 is about 425.0187212053.

The spelling of 76775770 in words is "seventy-six million, seven hundred seventy-five thousand, seven hundred seventy".