78969562 has 8 divisors (see below), whose sum is σ = 135376416. Its totient is φ = 33844092.

The previous prime is 78969559. The next prime is 78969593. The reversal of 78969562 is 26596987.

It is a happy number.

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

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, 2820328 + ... + 2820355.

It is an arithmetic number, because the mean of its divisors is an integer number (16922052).

Almost surely, 2^78969562 is an apocalyptic number.

78969562 is a deficient number, since it is larger than the sum of its proper divisors (56406854).

78969562 is a wasteful number, since it uses less digits than its factorization.

78969562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640692.

The product of its digits is 1632960, while the sum is 52.

The square root of 78969562 is about 8886.4819810767. The cubic root of 78969562 is about 429.0289281971.

The spelling of 78969562 in words is "seventy-eight million, nine hundred sixty-nine thousand, five hundred sixty-two".