83497760 has 24 divisors (see below), whose sum is σ = 197263836. Its totient is φ = 33399040.

The previous prime is 83497741. The next prime is 83497763. The reversal of 83497760 is 6779438.

It can be written as a sum of positive squares in 2 ways, for example, as 79352464 + 4145296 = 8908^2 + 2036^2 .

It is not an unprimeable number, because it can be changed into a prime (83497763) 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 3 ways as a sum of consecutive naturals, for example, 260771 + ... + 261090.

Almost surely, 2^83497760 is an apocalyptic number.

83497760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83497760 is an abundant number, since it is smaller than the sum of its proper divisors (113766076).

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

83497760 is a wasteful number, since it uses less digits than its factorization.

83497760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521876 (or 521868 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 83497760 is about 9137.7108730798. The cubic root of 83497760 is about 437.0773234769.

The spelling of 83497760 in words is "eighty-three million, four hundred ninety-seven thousand, seven hundred sixty".