84053637 has 6 divisors (see below), whose sum is σ = 121410822. Its totient is φ = 56035752.

The previous prime is 84053633. The next prime is 84053639. The reversal of 84053637 is 73635048.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77898276 + 6155361 = 8826^2 + 2481^2 .

It is not a de Polignac number, because 84053637 - 2² = 84053633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84053633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4669638 + ... + 4669655.

It is an arithmetic number, because the mean of its divisors is an integer number (20235137).

Almost surely, 2^84053637 is an apocalyptic number.

It is an amenable number.

84053637 is a deficient number, since it is larger than the sum of its proper divisors (37357185).

84053637 is a wasteful number, since it uses less digits than its factorization.

84053637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339299 (or 9339296 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 84053637 is about 9168.0770611945. The cubic root of 84053637 is about 438.0451101347.

The spelling of 84053637 in words is "eighty-four million, fifty-three thousand, six hundred thirty-seven".