77012343 has 8 divisors (see below), whose sum is σ = 114092400. Its totient is φ = 51341544.

The previous prime is 77012333. The next prime is 77012357. The reversal of 77012343 is 34321077.

It is not a de Polignac number, because 77012343 - 2⁵ = 77012311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2852309 = 77012343 / (7 + 7 + 0 + 1 + 2 + 3 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77012333) 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, 1426128 + ... + 1426181.

It is an arithmetic number, because the mean of its divisors is an integer number (14261550).

Almost surely, 2^77012343 is an apocalyptic number.

77012343 is a deficient number, since it is larger than the sum of its proper divisors (37080057).

77012343 is a wasteful number, since it uses less digits than its factorization.

77012343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852318 (or 2852312 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 77012343 is about 8775.6676669072. The cubic root of 77012343 is about 425.4548173673.

The spelling of 77012343 in words is "seventy-seven million, twelve thousand, three hundred forty-three".