77596146 has 12 divisors (see below), whose sum is σ = 168125022. Its totient is φ = 25865376.

The previous prime is 77596139. The next prime is 77596157. The reversal of 77596146 is 64169577.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77528025 + 68121 = 8805^2 + 261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2155431 + ... + 2155466.

Almost surely, 2^77596146 is an apocalyptic number.

77596146 is an abundant number, since it is smaller than the sum of its proper divisors (90528876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77596146 is a wasteful number, since it uses less digits than its factorization.

77596146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310905 (or 4310902 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 77596146 is about 8808.8674640955. The cubic root of 77596146 is about 426.5271857171.

The spelling of 77596146 in words is "seventy-seven million, five hundred ninety-six thousand, one hundred forty-six".