83017378 has 4 divisors (see below), whose sum is σ = 124526070. Its totient is φ = 41508688.

The previous prime is 83017339. The next prime is 83017379. The reversal of 83017378 is 87371038.

83017378 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 8661249 = 8623^2 + 2943^2 .

It is not an unprimeable number, because it can be changed into a prime (83017379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20754343 + ... + 20754346.

Almost surely, 2^83017378 is an apocalyptic number.

83017378 is a deficient number, since it is larger than the sum of its proper divisors (41508692).

83017378 is a wasteful number, since it uses less digits than its factorization.

83017378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41508691.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 83017378 is about 9111.3872708825. The cubic root of 83017378 is about 436.2375084203.

It can be divided in two parts, 8301 and 7378, that multiplied together give a triangular number (61244778 = T₁₁₀₆₇).

The spelling of 83017378 in words is "eighty-three million, seventeen thousand, three hundred seventy-eight".