77343955413 has 8 divisors (see below), whose sum is σ = 103126566528. Its totient is φ = 51561990624.

The previous prime is 77343955369. The next prime is 77343955427. The reversal of 77343955413 is 31455934377.

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

It is not a de Polignac number, because 77343955413 - 2⁹ = 77343954901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77343955613) 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, 340681 + ... + 520337.

It is an arithmetic number, because the mean of its divisors is an integer number (12890820816).

Almost surely, 2^77343955413 is an apocalyptic number.

It is an amenable number.

77343955413 is a deficient number, since it is larger than the sum of its proper divisors (25782611115).

77343955413 is a wasteful number, since it uses less digits than its factorization.

77343955413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323163.

The product of its digits is 4762800, while the sum is 51.

The spelling of 77343955413 in words is "seventy-seven billion, three hundred forty-three million, nine hundred fifty-five thousand, four hundred thirteen".