82478261550010 has 8 divisors (see below), whose sum is σ = 148460870790036. Its totient is φ = 32991304620000.

The previous prime is 82478261549987. The next prime is 82478261550031. The reversal of 82478261550010 is 1005516287428.

It can be written as a sum of positive squares in 2 ways, for example, as 74810684566489 + 7667576983521 = 8649317^2 + 2769039^2 .

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

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, 4123913077491 + ... + 4123913077510.

Almost surely, 2^{82478261550010} is an apocalyptic number.

82478261550010 is a deficient number, since it is larger than the sum of its proper divisors (65982609240026).

82478261550010 is a wasteful number, since it uses less digits than its factorization.

82478261550010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247826155008.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 82478261550010 in words is "eighty-two trillion, four hundred seventy-eight billion, two hundred sixty-one million, five hundred fifty thousand, ten".