77967414 has 32 divisors (see below), whose sum is σ = 198013440. Its totient is φ = 22276296.

The previous prime is 77967403. The next prime is 77967419. The reversal of 77967414 is 41476977.

It is a self number, because there is not a number n which added to its sum of digits gives 77967414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77967419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102754 + ... + 103509.

It is an arithmetic number, because the mean of its divisors is an integer number (6187920).

Almost surely, 2^77967414 is an apocalyptic number.

77967414 is an abundant number, since it is smaller than the sum of its proper divisors (120046026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77967414 is a wasteful number, since it uses less digits than its factorization.

77967414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206281 (or 206275 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 77967414 is about 8829.9158546387. The cubic root of 77967414 is about 427.2063603712.

The spelling of 77967414 in words is "seventy-seven million, nine hundred sixty-seven thousand, four hundred fourteen".