84477025 has 12 divisors (see below), whose sum is σ = 104898172. Its totient is φ = 67487040.

The previous prime is 84477023. The next prime is 84477049. The reversal of 84477025 is 52077448.

It can be written as a sum of positive squares in 6 ways, for example, as 12278016 + 72199009 = 3504^2 + 8497^2 .

It is not a de Polignac number, because 84477025 - 2¹ = 84477023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84477023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19999 + ... + 23851.

Almost surely, 2^84477025 is an apocalyptic number.

It is an amenable number.

84477025 is a deficient number, since it is larger than the sum of its proper divisors (20421147).

84477025 is a wasteful number, since it uses less digits than its factorization.

84477025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 84477025 is about 9191.1383952153. The cubic root of 84477025 is about 438.7793734714.

The spelling of 84477025 in words is "eighty-four million, four hundred seventy-seven thousand, twenty-five".