77076540143 has 4 divisors (see below), whose sum is σ = 77082440088. Its totient is φ = 77070640200.

The previous prime is 77076540139. The next prime is 77076540169. The reversal of 77076540143 is 34104567077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77076540143 - 2² = 77076540139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77076540094 and 77076540103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77076540173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930333 + ... + 2956518.

It is an arithmetic number, because the mean of its divisors is an integer number (19270610022).

Almost surely, 2^77076540143 is an apocalyptic number.

77076540143 is a deficient number, since it is larger than the sum of its proper divisors (5899945).

77076540143 is a wasteful number, since it uses less digits than its factorization.

77076540143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899944.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 77076540143 in words is "seventy-seven billion, seventy-six million, five hundred forty thousand, one hundred forty-three".