77839006 has 8 divisors (see below), whose sum is σ = 133438320. Its totient is φ = 33359568.

The previous prime is 77839001. The next prime is 77839051. The reversal of 77839006 is 60093877.

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

It is a self number, because there is not a number n which added to its sum of digits gives 77839006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77839001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779951 + ... + 2779978.

It is an arithmetic number, because the mean of its divisors is an integer number (16679790).

Almost surely, 2^77839006 is an apocalyptic number.

77839006 is a deficient number, since it is larger than the sum of its proper divisors (55599314).

77839006 is a wasteful number, since it uses less digits than its factorization.

77839006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559938.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 77839006 is about 8822.6416678906. The cubic root of 77839006 is about 426.9717031197.

The spelling of 77839006 in words is "seventy-seven million, eight hundred thirty-nine thousand, six".