77609050 has 24 divisors (see below), whose sum is σ = 144634716. Its totient is φ = 30983040.

The previous prime is 77609039. The next prime is 77609057. The reversal of 77609050 is 5090677.

It can be written as a sum of positive squares in 6 ways, for example, as 14676561 + 62932489 = 3831^2 + 7933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77608997 and 77609015.

It is not an unprimeable number, because it can be changed into a prime (77609057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31462 + ... + 33838.

Almost surely, 2^77609050 is an apocalyptic number.

77609050 is a deficient number, since it is larger than the sum of its proper divisors (67025666).

77609050 is a wasteful number, since it uses less digits than its factorization.

77609050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 77609050 is about 8809.5998774065. The cubic root of 77609050 is about 426.5508277923.

The spelling of 77609050 in words is "seventy-seven million, six hundred nine thousand, fifty".