77283373044 has 96 divisors (see below), whose sum is σ = 187827494400. Its totient is φ = 24712031232.

The previous prime is 77283373043. The next prime is 77283373051. The reversal of 77283373044 is 44037338277.

It is a junction number, because it is equal to n+sod(n) for n = 77283372984 and 77283373002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77283373043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9059109 + ... + 9067635.

It is an arithmetic number, because the mean of its divisors is an integer number (1956536400).

Almost surely, 2^77283373044 is an apocalyptic number.

77283373044 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

77283373044 is an abundant number, since it is smaller than the sum of its proper divisors (110544121356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77283373044 is a wasteful number, since it uses less digits than its factorization.

77283373044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857 (or 8855 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 77283373044 in words is "seventy-seven billion, two hundred eighty-three million, three hundred seventy-three thousand, forty-four".