77214663 has 12 divisors (see below), whose sum is σ = 118093248. Its totient is φ = 48448320.

The previous prime is 77214661. The next prime is 77214667. The reversal of 77214663 is 36641277.

It is not a de Polignac number, because 77214663 - 2¹ = 77214661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77214661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252183 + ... + 252488.

It is an arithmetic number, because the mean of its divisors is an integer number (9841104).

Almost surely, 2^77214663 is an apocalyptic number.

77214663 is a deficient number, since it is larger than the sum of its proper divisors (40878585).

77214663 is a wasteful number, since it uses less digits than its factorization.

77214663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504694 (or 504691 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 77214663 is about 8787.1874339859. The cubic root of 77214663 is about 425.8270639721.

It can be divided in two parts, 77214 and 663, that added together give a palindrome (77877).

The spelling of 77214663 in words is "seventy-seven million, two hundred fourteen thousand, six hundred sixty-three".