83680514 has 4 divisors (see below), whose sum is σ = 125520774. Its totient is φ = 41840256.

The previous prime is 83680489. The next prime is 83680543. The reversal of 83680514 is 41508638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41508638 = 2 ⋅20754319.

It can be written as a sum of positive squares in only one way, i.e., 62932489 + 20748025 = 7933^2 + 4555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20920127 + ... + 20920130.

Almost surely, 2^83680514 is an apocalyptic number.

83680514 is a deficient number, since it is larger than the sum of its proper divisors (41840260).

83680514 is a wasteful number, since it uses less digits than its factorization.

83680514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41840259.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83680514 is about 9147.7053953437. The cubic root of 83680514 is about 437.3959724366.

The spelling of 83680514 in words is "eighty-three million, six hundred eighty thousand, five hundred fourteen".