78995582 has 8 divisors (see below), whose sum is σ = 119921256. Its totient is φ = 39021832.

The previous prime is 78995573. The next prime is 78995603. The reversal of 78995582 is 28559987.

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

It is a congruent number.

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, 237773 + ... + 238104.

It is an arithmetic number, because the mean of its divisors is an integer number (14990157).

Almost surely, 2^78995582 is an apocalyptic number.

78995582 is a deficient number, since it is larger than the sum of its proper divisors (40925674).

78995582 is a wasteful number, since it uses less digits than its factorization.

78995582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475962.

The product of its digits is 1814400, while the sum is 53.

The square root of 78995582 is about 8887.9458819234. The cubic root of 78995582 is about 429.0760438476.

The spelling of 78995582 in words is "seventy-eight million, nine hundred ninety-five thousand, five hundred eighty-two".