8478261501 has 8 divisors (see below), whose sum is σ = 11340698304. Its totient is φ = 5633999520.

The previous prime is 8478261481. The next prime is 8478261553. The reversal of 8478261501 is 1051628748.

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

It is not a de Polignac number, because 8478261501 - 2¹³ = 8478253309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478261101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542616 + ... + 4544481.

It is an arithmetic number, because the mean of its divisors is an integer number (1417587288).

Almost surely, 2^8478261501 is an apocalyptic number.

It is an amenable number.

8478261501 is a deficient number, since it is larger than the sum of its proper divisors (2862436803).

8478261501 is a wasteful number, since it uses less digits than its factorization.

8478261501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087411.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 8478261501 is about 92077.4755355510. The cubic root of 8478261501 is about 2039.0862802988.

The spelling of 8478261501 in words is "eight billion, four hundred seventy-eight million, two hundred sixty-one thousand, five hundred one".