77093869 has 8 divisors (see below), whose sum is σ = 79688448. Its totient is φ = 74506080.

The previous prime is 77093857. The next prime is 77093879. The reversal of 77093869 is 96839077.

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 77093869 - 2¹⁷ = 76962797 is a prime.

It is a super-2 number, since 2×77093869² = 11886929274778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77093879) 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, 32874 + ... + 35140.

It is an arithmetic number, because the mean of its divisors is an integer number (9961056).

Almost surely, 2^77093869 is an apocalyptic number.

It is an amenable number.

77093869 is a deficient number, since it is larger than the sum of its proper divisors (2594579).

77093869 is a wasteful number, since it uses less digits than its factorization.

77093869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 77093869 is about 8780.3114409456. The cubic root of 77093869 is about 425.6048945963.

The spelling of 77093869 in words is "seventy-seven million, ninety-three thousand, eight hundred sixty-nine".