78608954 has 4 divisors (see below), whose sum is σ = 117913434. Its totient is φ = 39304476.

The previous prime is 78608953. The next prime is 78608977. The reversal of 78608954 is 45980687.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 25654225 = 7277^2 + 5065^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78608899 and 78608908.

It is not an unprimeable number, because it can be changed into a prime (78608953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19652237 + ... + 19652240.

Almost surely, 2^78608954 is an apocalyptic number.

78608954 is a deficient number, since it is larger than the sum of its proper divisors (39304480).

78608954 is a wasteful number, since it uses less digits than its factorization.

78608954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39304479.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 78608954 is about 8866.1690712506. The cubic root of 78608954 is about 428.3748898936.

The spelling of 78608954 in words is "seventy-eight million, six hundred eight thousand, nine hundred fifty-four".