83877240 has 32 divisors (see below), whose sum is σ = 251632080. Its totient is φ = 22367232.

The previous prime is 83877179. The next prime is 83877247. The reversal of 83877240 is 4277838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83877247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349369 + ... + 349608.

Almost surely, 2^83877240 is an apocalyptic number.

It is an amenable number.

83877240 is an abundant number, since it is smaller than the sum of its proper divisors (167754840).

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

83877240 is a wasteful number, since it uses less digits than its factorization.

83877240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698991 (or 698987 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 83877240 is about 9158.4518342349. The cubic root of 83877240 is about 437.7384648281.

The spelling of 83877240 in words is "eighty-three million, eight hundred seventy-seven thousand, two hundred forty".