77454116 has 6 divisors (see below), whose sum is σ = 135544710. Its totient is φ = 38727056.

The previous prime is 77454107. The next prime is 77454121. The reversal of 77454116 is 61145477.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 14092516 = 7960^2 + 3754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9681761 + ... + 9681768.

It is an arithmetic number, because the mean of its divisors is an integer number (22590785).

Almost surely, 2^77454116 is an apocalyptic number.

It is an amenable number.

77454116 is a deficient number, since it is larger than the sum of its proper divisors (58090594).

77454116 is a wasteful number, since it uses less digits than its factorization.

77454116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363533 (or 19363531 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 77454116 is about 8800.8020089081. The cubic root of 77454116 is about 426.2667919644.

The spelling of 77454116 in words is "seventy-seven million, four hundred fifty-four thousand, one hundred sixteen".