77560923 has 8 divisors (see below), whose sum is σ = 112815936. Its totient is φ = 47006600.

The previous prime is 77560921. The next prime is 77560937. The reversal of 77560923 is 32906577.

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 77560923 - 2¹ = 77560921 is a prime.

It is a super-2 number, since 2×77560923² = 12031393553223858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77560921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175133 + ... + 1175198.

It is an arithmetic number, because the mean of its divisors is an integer number (14101992).

Almost surely, 2^77560923 is an apocalyptic number.

77560923 is a deficient number, since it is larger than the sum of its proper divisors (35255013).

77560923 is a wasteful number, since it uses less digits than its factorization.

77560923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350345.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 77560923 is about 8806.8679449620. The cubic root of 77560923 is about 426.4626385216.

The spelling of 77560923 in words is "seventy-seven million, five hundred sixty thousand, nine hundred twenty-three".