77080949 has 8 divisors (see below), whose sum is σ = 84177792. Its totient is φ = 69999040.

The previous prime is 77080933. The next prime is 77080957. The reversal of 77080949 is 94908077.

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 77080949 - 2⁴ = 77080933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77080909) 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, 8957 + ... + 15309.

It is an arithmetic number, because the mean of its divisors is an integer number (10522224).

Almost surely, 2^77080949 is an apocalyptic number.

It is an amenable number.

77080949 is a deficient number, since it is larger than the sum of its proper divisors (7096843).

77080949 is a wasteful number, since it uses less digits than its factorization.

77080949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 77080949 is about 8779.5756731177. The cubic root of 77080949 is about 425.5811178572.

The spelling of 77080949 in words is "seventy-seven million, eighty thousand, nine hundred forty-nine".