83697410649887 has 8 divisors (see below), whose sum is σ = 87161905242240. Its totient is φ = 80280702190080.

The previous prime is 83697410649829. The next prime is 83697410649917. The reversal of 83697410649887 is 78894601479638.

It is a happy number.

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 83697410649887 - 2⁸ = 83697410649631 is a prime.

It is a super-2 number, since 2×83697410649887² (a number of 29 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 (83697410642887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11946529562 + ... + 11946536567.

It is an arithmetic number, because the mean of its divisors is an integer number (10895238155280).

Almost surely, 2^{83697410649887} is an apocalyptic number.

83697410649887 is a deficient number, since it is larger than the sum of its proper divisors (3464494592353).

83697410649887 is a wasteful number, since it uses less digits than its factorization.

83697410649887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23893066273.

The product of its (nonzero) digits is 3511517184, while the sum is 80.

The spelling of 83697410649887 in words is "eighty-three trillion, six hundred ninety-seven billion, four hundred ten million, six hundred forty-nine thousand, eight hundred eighty-seven".