77684106 has 8 divisors (see below), whose sum is σ = 155368224. Its totient is φ = 25894700.

The previous prime is 77684083. The next prime is 77684107. The reversal of 77684106 is 60148677.

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

77684106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (77684107) 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, 6473670 + ... + 6473681.

It is an arithmetic number, because the mean of its divisors is an integer number (19421028).

Almost surely, 2^77684106 is an apocalyptic number.

77684106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77684106 is a wasteful number, since it uses less digits than its factorization.

77684106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947356.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 77684106 is about 8813.8587463154. The cubic root of 77684106 is about 426.6882897841.

It can be divided in two parts, 776 and 84106, that multiplied together give a palindrome (65266256).

The spelling of 77684106 in words is "seventy-seven million, six hundred eighty-four thousand, one hundred six".