87045071319 has 6 divisors (see below), whose sum is σ = 125731769696. Its totient is φ = 58030047540.

The previous prime is 87045071303. The next prime is 87045071341. The reversal of 87045071319 is 91317054078.

87045071319 is a `hidden beast` number, since 8 + 7 + 0 + 4 + 507 + 131 + 9 = 666.

It is not a de Polignac number, because 87045071319 - 2⁴ = 87045071303 is a prime.

It is a super-2 number, since 2×87045071319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87045071419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4835837287 + ... + 4835837304.

Almost surely, 2^87045071319 is an apocalyptic number.

87045071319 is a deficient number, since it is larger than the sum of its proper divisors (38686698377).

87045071319 is a wasteful number, since it uses less digits than its factorization.

87045071319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671674597 (or 9671674594 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 87045071319 in words is "eighty-seven billion, forty-five million, seventy-one thousand, three hundred nineteen".