84701988 has 54 divisors (see below), whose sum is σ = 249069366. Its totient is φ = 24200064.

The previous prime is 84701987. The next prime is 84701999. The reversal of 84701988 is 88910748.

It can be written as a sum of positive squares in only one way, i.e., 59721984 + 24980004 = 7728^2 + 4998^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84701987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22245 + ... + 25772.

Almost surely, 2^84701988 is an apocalyptic number.

It is an amenable number.

84701988 is an abundant number, since it is smaller than the sum of its proper divisors (164367378).

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

84701988 is a wasteful number, since it uses less digits than its factorization.

84701988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48041 (or 48029 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 84701988 is about 9203.3682964445. The cubic root of 84701988 is about 439.1685192482.

The spelling of 84701988 in words is "eighty-four million, seven hundred one thousand, nine hundred eighty-eight".