84775744 has 14 divisors (see below), whose sum is σ = 168226994. Its totient is φ = 42387840.

The previous prime is 84775727. The next prime is 84775751. The reversal of 84775744 is 44757748.

It can be written as a sum of positive squares in only one way, i.e., 65415744 + 19360000 = 8088^2 + 4400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84775694 and 84775703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662247 + ... + 662374.

Almost surely, 2^84775744 is an apocalyptic number.

It is an amenable number.

84775744 is a deficient number, since it is larger than the sum of its proper divisors (83451250).

84775744 is a wasteful number, since it uses less digits than its factorization.

84775744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324633 (or 1324623 counting only the distinct ones).

The product of its digits is 878080, while the sum is 46.

The square root of 84775744 is about 9207.3744357444. The cubic root of 84775744 is about 439.2959539433.

The spelling of 84775744 in words is "eighty-four million, seven hundred seventy-five thousand, seven hundred forty-four".