77914484 has 12 divisors (see below), whose sum is σ = 137266500. Its totient is φ = 38695488.

The previous prime is 77914481. The next prime is 77914537. The reversal of 77914484 is 48441977.

It can be written as a sum of positive squares in 2 ways, for example, as 25786084 + 52128400 = 5078^2 + 7220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77914481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64769 + ... + 65960.

It is an arithmetic number, because the mean of its divisors is an integer number (11438875).

Almost surely, 2^77914484 is an apocalyptic number.

It is an amenable number.

77914484 is a deficient number, since it is larger than the sum of its proper divisors (59352016).

77914484 is a wasteful number, since it uses less digits than its factorization.

77914484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130882 (or 130880 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 77914484 is about 8826.9181484819. The cubic root of 77914484 is about 427.1096654815.

The spelling of 77914484 in words is "seventy-seven million, nine hundred fourteen thousand, four hundred eighty-four".