77140077 has 8 divisors (see below), whose sum is σ = 117546816. Its totient is φ = 44080032.

The previous prime is 77140073. The next prime is 77140111. The reversal of 77140077 is 77004177.

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

It is not a de Polignac number, because 77140077 - 2² = 77140073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77140073) 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, 1836648 + ... + 1836689.

It is an arithmetic number, because the mean of its divisors is an integer number (14693352).

Almost surely, 2^77140077 is an apocalyptic number.

It is an amenable number.

77140077 is a deficient number, since it is larger than the sum of its proper divisors (40406739).

77140077 is a wasteful number, since it uses less digits than its factorization.

77140077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673347.

The product of its (nonzero) digits is 9604, while the sum is 33.

The square root of 77140077 is about 8782.9423885165. The cubic root of 77140077 is about 425.6899096711.

The spelling of 77140077 in words is "seventy-seven million, one hundred forty thousand, seventy-seven".