78141883 has 4 divisors (see below), whose sum is σ = 78639760. Its totient is φ = 77644008.

The previous prime is 78141881. The next prime is 78141887. The reversal of 78141883 is 38814187.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38814187 = 2237 ⋅17351.

It is a cyclic number.

It is not a de Polignac number, because 78141883 - 2¹ = 78141881 is a prime.

It is a super-2 number, since 2×78141883² = 12212307757571378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78141881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248703 + ... + 249016.

It is an arithmetic number, because the mean of its divisors is an integer number (19659940).

Almost surely, 2^78141883 is an apocalyptic number.

78141883 is a deficient number, since it is larger than the sum of its proper divisors (497877).

78141883 is a wasteful number, since it uses less digits than its factorization.

78141883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497876.

The product of its digits is 43008, while the sum is 40.

The square root of 78141883 is about 8839.7897599434. The cubic root of 78141883 is about 427.5247786100.

The spelling of 78141883 in words is "seventy-eight million, one hundred forty-one thousand, eight hundred eighty-three".