248666469478 has 8 divisors (see below), whose sum is σ = 426285376272. Its totient is φ = 106571344056.

The previous prime is 248666469451. The next prime is 248666469497. The reversal of 248666469478 is 874964666842.

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

It is a congruent number.

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, 8880945325 + ... + 8880945352.

It is an arithmetic number, because the mean of its divisors is an integer number (53285672034).

Almost surely, 2^248666469478 is an apocalyptic number.

248666469478 is a deficient number, since it is larger than the sum of its proper divisors (177618906794).

248666469478 is a wasteful number, since it uses less digits than its factorization.

248666469478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761890686.

The product of its digits is 668860416, while the sum is 70.

The spelling of 248666469478 in words is "two hundred forty-eight billion, six hundred sixty-six million, four hundred sixty-nine thousand, four hundred seventy-eight".