77506106 has 8 divisors (see below), whose sum is σ = 117108180. Its totient is φ = 38470048.

The previous prime is 77506061. The next prime is 77506127. The reversal of 77506106 is 60160577.

It can be written as a sum of positive squares in 2 ways, for example, as 74666881 + 2839225 = 8641^2 + 1685^2 .

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

It is a Curzon number.

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, 141161 + ... + 141708.

Almost surely, 2^77506106 is an apocalyptic number.

77506106 is a deficient number, since it is larger than the sum of its proper divisors (39602074).

77506106 is a wasteful number, since it uses less digits than its factorization.

77506106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283008.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 77506106 is about 8803.7552214950. The cubic root of 77506106 is about 426.3621458545.

The spelling of 77506106 in words is "seventy-seven million, five hundred six thousand, one hundred six".