77433334858 has 16 divisors (see below), whose sum is σ = 130133664864. Its totient is φ = 34245700560.

The previous prime is 77433334831. The next prime is 77433334897. The reversal of 77433334858 is 85843333477.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77433334799 and 77433334808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47562660 + ... + 47564287.

It is an arithmetic number, because the mean of its divisors is an integer number (8133354054).

Almost surely, 2^77433334858 is an apocalyptic number.

77433334858 is a deficient number, since it is larger than the sum of its proper divisors (52700330006).

77433334858 is a wasteful number, since it uses less digits than its factorization.

77433334858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95126997.

The product of its digits is 20321280, while the sum is 55.

The spelling of 77433334858 in words is "seventy-seven billion, four hundred thirty-three million, three hundred thirty-four thousand, eight hundred fifty-eight".