77606486 has 8 divisors (see below), whose sum is σ = 119117064. Its totient is φ = 37900800.

The previous prime is 77606467. The next prime is 77606489. The reversal of 77606486 is 68460677.

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 (77606489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451115 + ... + 451286.

It is an arithmetic number, because the mean of its divisors is an integer number (14889633).

Almost surely, 2^77606486 is an apocalyptic number.

77606486 is a deficient number, since it is larger than the sum of its proper divisors (41510578).

77606486 is a wasteful number, since it uses less digits than its factorization.

77606486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902446.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 77606486 is about 8809.4543531367. The cubic root of 77606486 is about 426.5461303660.

The spelling of 77606486 in words is "seventy-seven million, six hundred six thousand, four hundred eighty-six".