87474226478 has 8 divisors (see below), whose sum is σ = 138929653872. Its totient is φ = 41164341856.

The previous prime is 87474226457. The next prime is 87474226501. The reversal of 87474226478 is 87462247478.

It is a happy number.

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

It is a Curzon number.

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, 1286385650 + ... + 1286385717.

It is an arithmetic number, because the mean of its divisors is an integer number (17366206734).

Almost surely, 2^87474226478 is an apocalyptic number.

87474226478 is a deficient number, since it is larger than the sum of its proper divisors (51455427394).

87474226478 is a wasteful number, since it uses less digits than its factorization.

87474226478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572771386.

The product of its digits is 33718272, while the sum is 59.

The spelling of 87474226478 in words is "eighty-seven billion, four hundred seventy-four million, two hundred twenty-six thousand, four hundred seventy-eight".