78837484 has 24 divisors (see below), whose sum is σ = 151392528. Its totient is φ = 35624640.

The previous prime is 78837481. The next prime is 78837487. The reversal of 78837484 is 48473887.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78837481) and next prime (78837487).

It is not an unprimeable number, because it can be changed into a prime (78837481) 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, 2434 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (6308022).

Almost surely, 2^78837484 is an apocalyptic number.

It is an amenable number.

78837484 is a deficient number, since it is larger than the sum of its proper divisors (72555044).

78837484 is a wasteful number, since it uses less digits than its factorization.

78837484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545 (or 10543 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 78837484 is about 8879.0474714352. The cubic root of 78837484 is about 428.7896085489.

The spelling of 78837484 in words is "seventy-eight million, eight hundred thirty-seven thousand, four hundred eighty-four".