77346192386 has 16 divisors (see below), whose sum is σ = 117682136064. Its totient is φ = 38119476384.

The previous prime is 77346192383. The next prime is 77346192401. The reversal of 77346192386 is 68329164377.

It is a super-2 number, since 2×77346192386² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77346192383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69791 + ... + 399453.

It is an arithmetic number, because the mean of its divisors is an integer number (7355133504).

Almost surely, 2^77346192386 is an apocalyptic number.

77346192386 is a deficient number, since it is larger than the sum of its proper divisors (40335943678).

77346192386 is a wasteful number, since it uses less digits than its factorization.

77346192386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331345.

The product of its digits is 9144576, while the sum is 56.

The spelling of 77346192386 in words is "seventy-seven billion, three hundred forty-six million, one hundred ninety-two thousand, three hundred eighty-six".