77212435534 has 16 divisors (see below), whose sum is σ = 128098803168. Its totient is φ = 34673359392.

The previous prime is 77212435513. The next prime is 77212435579. The reversal of 77212435534 is 43553421277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40130242 + ... + 40132165.

It is an arithmetic number, because the mean of its divisors is an integer number (8006175198).

Almost surely, 2^77212435534 is an apocalyptic number.

77212435534 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

77212435534 is a deficient number, since it is larger than the sum of its proper divisors (50886367634).

77212435534 is a wasteful number, since it uses less digits than its factorization.

77212435534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80262459.

The product of its digits is 705600, while the sum is 43.

The spelling of 77212435534 in words is "seventy-seven billion, two hundred twelve million, four hundred thirty-five thousand, five hundred thirty-four".