86731428003 has 64 divisors (see below), whose sum is σ = 131002583040. Its totient is φ = 50582681600.

The previous prime is 86731427987. The next prime is 86731428011. The reversal of 86731428003 is 30082413768.

It is a Cunningham number, because it is equal to 294502²-1.

It is not a de Polignac number, because 86731428003 - 2⁴ = 86731427987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86731428083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78631750 + ... + 78632852.

It is an arithmetic number, because the mean of its divisors is an integer number (2046915360).

Almost surely, 2^86731428003 is an apocalyptic number.

86731428003 is a deficient number, since it is larger than the sum of its proper divisors (44271155037).

86731428003 is a wasteful number, since it uses less digits than its factorization.

86731428003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 86731428003 in words is "eighty-six billion, seven hundred thirty-one million, four hundred twenty-eight thousand, three".