77670063 has 8 divisors (see below), whose sum is σ = 115066800. Its totient is φ = 51780024.

The previous prime is 77670053. The next prime is 77670101. The reversal of 77670063 is 36007677.

It is not a de Polignac number, because 77670063 - 2⁸ = 77669807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77670053) 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, 1438308 + ... + 1438361.

It is an arithmetic number, because the mean of its divisors is an integer number (14383350).

Almost surely, 2^77670063 is an apocalyptic number.

77670063 is a deficient number, since it is larger than the sum of its proper divisors (37396737).

77670063 is a wasteful number, since it uses less digits than its factorization.

77670063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876678 (or 2876672 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 77670063 is about 8813.0620671819. The cubic root of 77670063 is about 426.6625773398.

The spelling of 77670063 in words is "seventy-seven million, six hundred seventy thousand, sixty-three".