84937980 has 48 divisors (see below), whose sum is σ = 250346880. Its totient is φ = 21457728.

The previous prime is 84937973. The next prime is 84937987. The reversal of 84937980 is 8973948.

It is an interprime number because it is at equal distance from previous prime (84937973) and next prime (84937987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84937987) 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 15 ways as a sum of consecutive naturals, for example, 36114 + ... + 38393.

It is an arithmetic number, because the mean of its divisors is an integer number (5215560).

Almost surely, 2^84937980 is an apocalyptic number.

It is an amenable number.

84937980 is an abundant number, since it is smaller than the sum of its proper divisors (165408900).

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

84937980 is a wasteful number, since it uses less digits than its factorization.

84937980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74538 (or 74536 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 84937980 is about 9216.1803367773. The cubic root of 84937980 is about 439.5760034017.

The spelling of 84937980 in words is "eighty-four million, nine hundred thirty-seven thousand, nine hundred eighty".