77940141 has 8 divisors (see below), whose sum is σ = 104443200. Its totient is φ = 51698592.

The previous prime is 77940103. The next prime is 77940143. The reversal of 77940141 is 14104977.

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

It is not a de Polignac number, because 77940141 - 2⁷ = 77940013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77940143) 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, 64680 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (13055400).

Almost surely, 2^77940141 is an apocalyptic number.

It is an amenable number.

77940141 is a deficient number, since it is larger than the sum of its proper divisors (26503059).

77940141 is a wasteful number, since it uses less digits than its factorization.

77940141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130755.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 77940141 is about 8828.3713673588. The cubic root of 77940141 is about 427.1565423029.

The spelling of 77940141 in words is "seventy-seven million, nine hundred forty thousand, one hundred forty-one".