82663950 has 24 divisors (see below), whose sum is σ = 205006968. Its totient is φ = 22043680.

The previous prime is 82663939. The next prime is 82663961. The reversal of 82663950 is 5936628.

It is an interprime number because it is at equal distance from previous prime (82663939) and next prime (82663961).

It is a junction number, because it is equal to n+sod(n) for n = 82663899 and 82663908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275397 + ... + 275696.

It is an arithmetic number, because the mean of its divisors is an integer number (8541957).

Almost surely, 2^82663950 is an apocalyptic number.

82663950 is an abundant number, since it is smaller than the sum of its proper divisors (122343018).

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

82663950 is a wasteful number, since it uses less digits than its factorization.

82663950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551108 (or 551103 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 82663950 is about 9091.9717333481. The cubic root of 82663950 is about 435.6175664820.

The spelling of 82663950 in words is "eighty-two million, six hundred sixty-three thousand, nine hundred fifty".