87298046217 has 24 divisors (see below), whose sum is σ = 134985760000. Its totient is φ = 56321315280.

The previous prime is 87298046207. The next prime is 87298046239. The reversal of 87298046217 is 71264089278.

It is a happy number.

87298046217 is a `hidden beast` number, since 8 + 7 + 2 + 9 + 8 + 0 + 4 + 621 + 7 = 666.

It is not a de Polignac number, because 87298046217 - 2⁷ = 87298046089 is a prime.

It is a super-2 number, since 2×87298046217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87298046207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5786842 + ... + 5801907.

Almost surely, 2^87298046217 is an apocalyptic number.

It is an amenable number.

87298046217 is a deficient number, since it is larger than the sum of its proper divisors (47687713783).

87298046217 is a wasteful number, since it uses less digits than its factorization.

87298046217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588795 (or 11588783 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 87298046217 in words is "eighty-seven billion, two hundred ninety-eight million, forty-six thousand, two hundred seventeen".