77112141 has 8 divisors (see below), whose sum is σ = 102948384. Its totient is φ = 51342000.

The previous prime is 77112121. The next prime is 77112143. The reversal of 77112141 is 14121177.

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

It is not a de Polignac number, because 77112141 - 2¹⁹ = 76587853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77112143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13735 + ... + 18516.

It is an arithmetic number, because the mean of its divisors is an integer number (12868548).

Almost surely, 2^77112141 is an apocalyptic number.

It is an amenable number.

77112141 is a deficient number, since it is larger than the sum of its proper divisors (25836243).

77112141 is a wasteful number, since it uses less digits than its factorization.

77112141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33051.

The product of its digits is 392, while the sum is 24.

The square root of 77112141 is about 8781.3518890886. The cubic root of 77112141 is about 425.6385161127.

The spelling of 77112141 in words is "seventy-seven million, one hundred twelve thousand, one hundred forty-one".