77760849 has 8 divisors (see below), whose sum is σ = 104051232. Its totient is φ = 51655520.

The previous prime is 77760829. The next prime is 77760853. The reversal of 77760849 is 94806777.

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 77760849 - 2⁵ = 77760817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77760798 and 77760807.

It is not an unprimeable number, because it can be changed into a prime (77760829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45279 + ... + 46964.

It is an arithmetic number, because the mean of its divisors is an integer number (13006404).

Almost surely, 2^77760849 is an apocalyptic number.

It is an amenable number.

77760849 is a deficient number, since it is larger than the sum of its proper divisors (26290383).

77760849 is a wasteful number, since it uses less digits than its factorization.

77760849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92527.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 77760849 is about 8818.2112131656. The cubic root of 77760849 is about 426.8287499295.

The spelling of 77760849 in words is "seventy-seven million, seven hundred sixty thousand, eight hundred forty-nine".