78987462 has 8 divisors (see below), whose sum is σ = 157974936. Its totient is φ = 26329152.

The previous prime is 78987449. The next prime is 78987481. The reversal of 78987462 is 26478987.

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

78987462 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6582283 + ... + 6582294.

It is an arithmetic number, because the mean of its divisors is an integer number (19746867).

Almost surely, 2^78987462 is an apocalyptic number.

78987462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78987462 is a wasteful number, since it uses less digits than its factorization.

78987462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164582.

The product of its digits is 1354752, while the sum is 51.

The square root of 78987462 is about 8887.4890717232. The cubic root of 78987462 is about 429.0613416884.

The spelling of 78987462 in words is "seventy-eight million, nine hundred eighty-seven thousand, four hundred sixty-two".