76776670 has 16 divisors (see below), whose sum is σ = 138821760. Its totient is φ = 30572064.

The previous prime is 76776647. The next prime is 76776671. The reversal of 76776670 is 7667767.

It is a self number, because there is not a number n which added to its sum of digits gives 76776670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76776671) 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 7 ways as a sum of consecutive naturals, for example, 14985 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (8676360).

Almost surely, 2^76776670 is an apocalyptic number.

76776670 is a deficient number, since it is larger than the sum of its proper divisors (62045090).

76776670 is a wasteful number, since it uses less digits than its factorization.

76776670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34659.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 76776670 is about 8762.2297390561. The cubic root of 76776670 is about 425.0203819522.

The spelling of 76776670 in words is "seventy-six million, seven hundred seventy-six thousand, six hundred seventy".