87284448278 has 32 divisors (see below), whose sum is σ = 132261921792. Its totient is φ = 43200256000.

The previous prime is 87284448271. The next prime is 87284448323.

87284448278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87284448278² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87284448278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87284448271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75833003 + ... + 75834153.

It is an arithmetic number, because the mean of its divisors is an integer number (4133185056).

Almost surely, 2^87284448278 is an apocalyptic number.

87284448278 is a deficient number, since it is larger than the sum of its proper divisors (44977473514).

87284448278 is a wasteful number, since it uses less digits than its factorization.

87284448278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its digits is 51380224, while the sum is 62.

The spelling of 87284448278 in words is "eighty-seven billion, two hundred eighty-four million, four hundred forty-eight thousand, two hundred seventy-eight".