87248722784278 has 8 divisors (see below), whose sum is σ = 142770637283400. Its totient is φ = 39658510356480.

The previous prime is 87248722784183. The next prime is 87248722784317.

87248722784278 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×87248722784278² (a number of 29 digits) contains 22 as substring.

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, 1982925517803 + ... + 1982925517846.

It is an arithmetic number, because the mean of its divisors is an integer number (17846329660425).

Almost surely, 2^{87248722784278} is an apocalyptic number.

87248722784278 is a deficient number, since it is larger than the sum of its proper divisors (55521914499122).

87248722784278 is a wasteful number, since it uses less digits than its factorization.

87248722784278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965851035662.

The product of its digits is 2517630976, while the sum is 76.

The spelling of 87248722784278 in words is "eighty-seven trillion, two hundred forty-eight billion, seven hundred twenty-two million, seven hundred eighty-four thousand, two hundred seventy-eight".