77141066 has 8 divisors (see below), whose sum is σ = 115823844. Its totient is φ = 38533120.

The previous prime is 77141059. The next prime is 77141101. The reversal of 77141066 is 66014177.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77070841 + 70225 = 8779^2 + 265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16055 + ... + 20298.

Almost surely, 2^77141066 is an apocalyptic number.

77141066 is a deficient number, since it is larger than the sum of its proper divisors (38682778).

77141066 is a wasteful number, since it uses less digits than its factorization.

77141066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 77141066 is about 8782.9986906523. The cubic root of 77141066 is about 425.6917288964.

The spelling of 77141066 in words is "seventy-seven million, one hundred forty-one thousand, sixty-six".