78055954 has 8 divisors (see below), whose sum is σ = 120860928. Its totient is φ = 37768980.

The previous prime is 78055949. The next prime is 78055961. The reversal of 78055954 is 45955087.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78055954.

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, 629422 + ... + 629545.

It is an arithmetic number, because the mean of its divisors is an integer number (15107616).

Almost surely, 2^78055954 is an apocalyptic number.

78055954 is a deficient number, since it is larger than the sum of its proper divisors (42804974).

78055954 is a wasteful number, since it uses less digits than its factorization.

78055954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259000.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 78055954 is about 8834.9280698826. The cubic root of 78055954 is about 427.3680114175.

The spelling of 78055954 in words is "seventy-eight million, fifty-five thousand, nine hundred fifty-four".