87470653 has 2 divisors, whose sum is σ = 87470654. Its totient is φ = 87470652.

The previous prime is 87470611. The next prime is 87470657. The reversal of 87470653 is 35607478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59876644 + 27594009 = 7738^2 + 5253^2 .

It is a cyclic number.

It is not a de Polignac number, because 87470653 - 2²¹ = 85373501 is a prime.

It is a super-2 number, since 2×87470653² = 15302230272492818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87470657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43735326 + 43735327.

It is an arithmetic number, because the mean of its divisors is an integer number (43735327).

Almost surely, 2^87470653 is an apocalyptic number.

It is an amenable number.

87470653 is a deficient number, since it is larger than the sum of its proper divisors (1).

87470653 is an equidigital number, since it uses as much as digits as its factorization.

87470653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 87470653 is about 9352.5746722493. The cubic root of 87470653 is about 443.9023623333.

The spelling of 87470653 in words is "eighty-seven million, four hundred seventy thousand, six hundred fifty-three".