77761006 has 8 divisors (see below), whose sum is σ = 120663720. Its totient is φ = 37539768.

The previous prime is 77761003. The next prime is 77761027. The reversal of 77761006 is 60016777.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77761003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670296 + ... + 670411.

It is an arithmetic number, because the mean of its divisors is an integer number (15082965).

Almost surely, 2^77761006 is an apocalyptic number.

77761006 is a deficient number, since it is larger than the sum of its proper divisors (42902714).

77761006 is a wasteful number, since it uses less digits than its factorization.

77761006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340738.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 77761006 is about 8818.2201151933. The cubic root of 77761006 is about 426.8290371866.

The spelling of 77761006 in words is "seventy-seven million, seven hundred sixty-one thousand, six".