77343077 has 4 divisors (see below), whose sum is σ = 88392096. Its totient is φ = 66294060.

The previous prime is 77343037. The next prime is 77343103. The reversal of 77343077 is 77034377.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 77343077 - 2⁸ = 77342821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77343077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77343017) 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, 5524499 + ... + 5524512.

It is an arithmetic number, because the mean of its divisors is an integer number (22098024).

Almost surely, 2^77343077 is an apocalyptic number.

It is an amenable number.

77343077 is a deficient number, since it is larger than the sum of its proper divisors (11049019).

77343077 is a wasteful number, since it uses less digits than its factorization.

77343077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11049018.

The product of its (nonzero) digits is 86436, while the sum is 38.

The square root of 77343077 is about 8794.4912871638. The cubic root of 77343077 is about 426.0629944240.

The spelling of 77343077 in words is "seventy-seven million, three hundred forty-three thousand, seventy-seven".