77610045 has 8 divisors (see below), whose sum is σ = 124176096. Its totient is φ = 41392016.

The previous prime is 77610011. The next prime is 77610059. The reversal of 77610045 is 54001677.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 77610045 - 2⁸ = 77609789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77609994 and 77610021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586987 + ... + 2587016.

It is an arithmetic number, because the mean of its divisors is an integer number (15522012).

Almost surely, 2^77610045 is an apocalyptic number.

It is an amenable number.

77610045 is a deficient number, since it is larger than the sum of its proper divisors (46566051).

77610045 is a wasteful number, since it uses less digits than its factorization.

77610045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174011.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 77610045 is about 8809.6563497108. The cubic root of 77610045 is about 426.5526506736.

The spelling of 77610045 in words is "seventy-seven million, six hundred ten thousand, forty-five".