78465954 has 24 divisors (see below), whose sum is σ = 182554128. Its totient is φ = 22418760.

The previous prime is 78465901. The next prime is 78465973. The reversal of 78465954 is 45956487.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133152 + ... + 133739.

It is an arithmetic number, because the mean of its divisors is an integer number (7606422).

Almost surely, 2^78465954 is an apocalyptic number.

78465954 is an abundant number, since it is smaller than the sum of its proper divisors (104088174).

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

78465954 is a wasteful number, since it uses less digits than its factorization.

78465954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266910 (or 266903 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 78465954 is about 8858.1010380329. The cubic root of 78465954 is about 428.1149755161.

The spelling of 78465954 in words is "seventy-eight million, four hundred sixty-five thousand, nine hundred fifty-four".