87479937803 has 2 divisors, whose sum is σ = 87479937804. Its totient is φ = 87479937802.

The previous prime is 87479937799. The next prime is 87479937829. The reversal of 87479937803 is 30873997478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87479937803 - 2² = 87479937799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87479937803.

It is not a weakly prime, because it can be changed into another prime (87479937863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43739968901 + 43739968902.

It is an arithmetic number, because the mean of its divisors is an integer number (43739968902).

Almost surely, 2^87479937803 is an apocalyptic number.

87479937803 is a deficient number, since it is larger than the sum of its proper divisors (1).

87479937803 is an equidigital number, since it uses as much as digits as its factorization.

87479937803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 87479937803 in words is "eighty-seven billion, four hundred seventy-nine million, nine hundred thirty-seven thousand, eight hundred three".