82415783950 has 12 divisors (see below), whose sum is σ = 153293358240. Its totient is φ = 32966313560.

The previous prime is 82415783921. The next prime is 82415783959. The reversal of 82415783950 is 5938751428.

It is a happy number.

It is a super-2 number, since 2×82415783950² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82415783959) 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, 824157790 + ... + 824157889.

It is an arithmetic number, because the mean of its divisors is an integer number (12774446520).

Almost surely, 2^82415783950 is an apocalyptic number.

82415783950 is a deficient number, since it is larger than the sum of its proper divisors (70877574290).

82415783950 is a wasteful number, since it uses less digits than its factorization.

82415783950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648315691 (or 1648315686 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 82415783950 in words is "eighty-two billion, four hundred fifteen million, seven hundred eighty-three thousand, nine hundred fifty".