77323353342131 has 16 divisors (see below), whose sum is σ = 86143797922560. Its totient is φ = 68913326240640.

The previous prime is 77323353342127. The next prime is 77323353342133. The reversal of 77323353342131 is 13124335332377.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 77323353342131 - 2² = 77323353342127 is a prime.

It is a super-2 number, since 2×77323353342131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77323353342133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30142046 + ... + 32606588.

It is an arithmetic number, because the mean of its divisors is an integer number (5383987370160).

Almost surely, 2^{77323353342131} is an apocalyptic number.

77323353342131 is a deficient number, since it is larger than the sum of its proper divisors (8820444580429).

77323353342131 is a wasteful number, since it uses less digits than its factorization.

77323353342131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547806.

The product of its digits is 2857680, while the sum is 47.

The spelling of 77323353342131 in words is "seventy-seven trillion, three hundred twenty-three billion, three hundred fifty-three million, three hundred forty-two thousand, one hundred thirty-one".