77649010 has 32 divisors (see below), whose sum is σ = 147672000. Its totient is φ = 29315520.

The previous prime is 77648993. The next prime is 77649031. The reversal of 77649010 is 1094677.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65725 + ... + 66895.

It is an arithmetic number, because the mean of its divisors is an integer number (4614750).

Almost surely, 2^77649010 is an apocalyptic number.

77649010 is a deficient number, since it is larger than the sum of its proper divisors (70022990).

77649010 is a wasteful number, since it uses less digits than its factorization.

77649010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 77649010 is about 8811.8675659590. The cubic root of 77649010 is about 426.6240239229.

The spelling of 77649010 in words is "seventy-seven million, six hundred forty-nine thousand, ten".