83761378 has 8 divisors (see below), whose sum is σ = 125857872. Its totient is φ = 41808756.

The previous prime is 83761369. The next prime is 83761387. The reversal of 83761378 is 87316738.

It is an interprime number because it is at equal distance from previous prime (83761369) and next prime (83761387).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34500 + ... + 36847.

It is an arithmetic number, because the mean of its divisors is an integer number (15732234).

Almost surely, 2^83761378 is an apocalyptic number.

83761378 is a deficient number, since it is larger than the sum of its proper divisors (42096494).

83761378 is a wasteful number, since it uses less digits than its factorization.

83761378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71936.

The product of its digits is 169344, while the sum is 43.

The square root of 83761378 is about 9152.1242342966. The cubic root of 83761378 is about 437.5368184524.

The spelling of 83761378 in words is "eighty-three million, seven hundred sixty-one thousand, three hundred seventy-eight".