82687414969650 has 96 divisors (see below), whose sum is σ = 217992474963648. Its totient is φ = 20670238720000.

The previous prime is 82687414969619. The next prime is 82687414969681. The reversal of 82687414969650 is 5696941478628.

It is an interprime number because it is at equal distance from previous prime (82687414969619) and next prime (82687414969681).

It is a super-2 number, since 2×82687414969650² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63954447 + ... + 65234546.

It is an arithmetic number, because the mean of its divisors is an integer number (2270754947538).

Almost surely, 2^{82687414969650} is an apocalyptic number.

82687414969650 is an abundant number, since it is smaller than the sum of its proper divisors (135305059993998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82687414969650 is a wasteful number, since it uses less digits than its factorization.

82687414969650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129189276 (or 129189271 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 75.

The spelling of 82687414969650 in words is "eighty-two trillion, six hundred eighty-seven billion, four hundred fourteen million, nine hundred sixty-nine thousand, six hundred fifty".