77068910 has 16 divisors (see below), whose sum is σ = 139175712. Its totient is φ = 30727200.

The previous prime is 77068907. The next prime is 77068913. The reversal of 77068910 is 1986077.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77068907) and next prime (77068913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77068913) 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 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 15500.

It is an arithmetic number, because the mean of its divisors is an integer number (8698482).

Almost surely, 2^77068910 is an apocalyptic number.

77068910 is a deficient number, since it is larger than the sum of its proper divisors (62106802).

77068910 is a wasteful number, since it uses less digits than its factorization.

77068910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25099.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 77068910 is about 8778.8900209537. The cubic root of 77068910 is about 425.5589600352.

The spelling of 77068910 in words is "seventy-seven million, sixty-eight thousand, nine hundred ten".