77620214 has 16 divisors (see below), whose sum is σ = 135780000. Its totient is φ = 33265512.

The previous prime is 77620201. The next prime is 77620229. The reversal of 77620214 is 41202677.

It is a congruent number.

It is an unprimeable number.

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, 55889 + ... + 57260.

It is an arithmetic number, because the mean of its divisors is an integer number (8486250).

Almost surely, 2^77620214 is an apocalyptic number.

77620214 is a deficient number, since it is larger than the sum of its proper divisors (58159786).

77620214 is a wasteful number, since it uses less digits than its factorization.

77620214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113172 (or 113158 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 77620214 is about 8810.2334815827. The cubic root of 77620214 is about 426.5712798105.

The spelling of 77620214 in words is "seventy-seven million, six hundred twenty thousand, two hundred fourteen".