1953079478 has 32 divisors (see below), whose sum is σ = 3416083200. Its totient is φ = 820141344.

The previous prime is 1953079463. The next prime is 1953079487. The reversal of 1953079478 is 8749703591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258113 + ... + 265571.

It is an arithmetic number, because the mean of its divisors is an integer number (106752600).

Almost surely, 2^1953079478 is an apocalyptic number.

1953079478 is a deficient number, since it is larger than the sum of its proper divisors (1463003722).

1953079478 is a wasteful number, since it uses less digits than its factorization.

1953079478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 1953079478 is about 44193.6587985200. The cubic root of 1953079478 is about 1249.9902885646.

The spelling of 1953079478 in words is "one billion, nine hundred fifty-three million, seventy-nine thousand, four hundred seventy-eight".