77641484 has 24 divisors (see below), whose sum is σ = 140800128. Its totient is φ = 37422720.

The previous prime is 77641483. The next prime is 77641493. The reversal of 77641484 is 48414677.

It is not an unprimeable number, because it can be changed into a prime (77641481) 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 7 ways as a sum of consecutive naturals, for example, 35264 + ... + 37400.

It is an arithmetic number, because the mean of its divisors is an integer number (5866672).

Almost surely, 2^77641484 is an apocalyptic number.

It is an amenable number.

77641484 is a deficient number, since it is larger than the sum of its proper divisors (63158644).

77641484 is a wasteful number, since it uses less digits than its factorization.

77641484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2463 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 77641484 is about 8811.4405178722. The cubic root of 77641484 is about 426.6102402051.

It can be divided in two parts, 77641 and 484, that added together give a 7-th power (78125 = 5⁷).

The spelling of 77641484 in words is "seventy-seven million, six hundred forty-one thousand, four hundred eighty-four".