77874141 has 8 divisors (see below), whose sum is σ = 109297120. Its totient is φ = 49183632.

The previous prime is 77874107. The next prime is 77874143. The reversal of 77874141 is 14147877.

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

It is not a de Polignac number, because 77874141 - 2⁹ = 77873629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77874141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77874143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683050 + ... + 683163.

It is an arithmetic number, because the mean of its divisors is an integer number (13662140).

Almost surely, 2^77874141 is an apocalyptic number.

It is an amenable number.

77874141 is a deficient number, since it is larger than the sum of its proper divisors (31422979).

77874141 is a wasteful number, since it uses less digits than its factorization.

77874141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366235.

The product of its digits is 43904, while the sum is 39.

The square root of 77874141 is about 8824.6326269143. The cubic root of 77874141 is about 427.0359356725.

The spelling of 77874141 in words is "seventy-seven million, eight hundred seventy-four thousand, one hundred forty-one".