77261066 has 8 divisors (see below), whose sum is σ = 115992324. Its totient is φ = 38596960.

The previous prime is 77261059. The next prime is 77261077. The reversal of 77261066 is 66016277.

It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 330625 = 8771^2 + 575^2 .

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, 13805 + ... + 18576.

Almost surely, 2^77261066 is an apocalyptic number.

77261066 is a deficient number, since it is larger than the sum of its proper divisors (38731258).

77261066 is a wasteful number, since it uses less digits than its factorization.

77261066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33576.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 77261066 is about 8789.8274158256. The cubic root of 77261066 is about 425.9123487075.

The spelling of 77261066 in words is "seventy-seven million, two hundred sixty-one thousand, sixty-six".