87743086465 has 8 divisors (see below), whose sum is σ = 105671819880. Its totient is φ = 69941058432.

The previous prime is 87743086447. The next prime is 87743086471. The reversal of 87743086465 is 56468034778.

It can be written as a sum of positive squares in 4 ways, for example, as 6353843521 + 81389242944 = 79711^2 + 285288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87743086465 - 2⁷ = 87743086337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31674820 + ... + 31677589.

It is an arithmetic number, because the mean of its divisors is an integer number (13208977485).

Almost surely, 2^87743086465 is an apocalyptic number.

It is an amenable number.

87743086465 is a deficient number, since it is larger than the sum of its proper divisors (17928733415).

87743086465 is a wasteful number, since it uses less digits than its factorization.

87743086465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63352691.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 87743086465 in words is "eighty-seven billion, seven hundred forty-three million, eighty-six thousand, four hundred sixty-five".