87473232001 has 2 divisors, whose sum is σ = 87473232002. Its totient is φ = 87473232000.

The previous prime is 87473231941. The next prime is 87473232031. The reversal of 87473232001 is 10023237478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64201424400 + 23271807601 = 253380^2 + 152551^2 .

It is a cyclic number.

It is not a de Polignac number, because 87473232001 - 2¹³ = 87473223809 is a prime.

It is not a weakly prime, because it can be changed into another prime (87473232031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43736616000 + 43736616001.

It is an arithmetic number, because the mean of its divisors is an integer number (43736616001).

Almost surely, 2^87473232001 is an apocalyptic number.

It is an amenable number.

87473232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

87473232001 is an equidigital number, since it uses as much as digits as its factorization.

87473232001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 87473232001 its reverse (10023237478), we get a palindrome (97496469479).

The spelling of 87473232001 in words is "eighty-seven billion, four hundred seventy-three million, two hundred thirty-two thousand, one".