77284583072 has 24 divisors (see below), whose sum is σ = 158769416736. Its totient is φ = 36962191552.

The previous prime is 77284583041. The next prime is 77284583083. The reversal of 77284583072 is 27038548277.

It is a super-2 number, since 2×77284583072² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 52502378 + ... + 52503849.

It is an arithmetic number, because the mean of its divisors is an integer number (6615392364).

Almost surely, 2^77284583072 is an apocalyptic number.

It is an amenable number.

77284583072 is an abundant number, since it is smaller than the sum of its proper divisors (81484833664).

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

77284583072 is a wasteful number, since it uses less digits than its factorization.

77284583072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105006260 (or 105006252 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 77284583072 in words is "seventy-seven billion, two hundred eighty-four million, five hundred eighty-three thousand, seventy-two".