78741983 has 8 divisors (see below), whose sum is σ = 79587360. Its totient is φ = 77900800.

The previous prime is 78741979. The next prime is 78741991. The reversal of 78741983 is 38914787.

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

It is a cyclic number.

It is not a de Polignac number, because 78741983 - 2² = 78741979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78741913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48383 + ... + 49983.

It is an arithmetic number, because the mean of its divisors is an integer number (9948420).

Almost surely, 2^78741983 is an apocalyptic number.

78741983 is a deficient number, since it is larger than the sum of its proper divisors (845377).

78741983 is a wasteful number, since it uses less digits than its factorization.

78741983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its digits is 338688, while the sum is 47.

The square root of 78741983 is about 8873.6679563752. The cubic root of 78741983 is about 428.6163982918.

The spelling of 78741983 in words is "seventy-eight million, seven hundred forty-one thousand, nine hundred eighty-three".