82261733770 has 32 divisors (see below), whose sum is σ = 148495586688. Its totient is φ = 32810507328.

The previous prime is 82261733747. The next prime is 82261733773. The reversal of 82261733770 is 7733716228.

It is a self number, because there is not a number n which added to its sum of digits gives 82261733770.

It is not an unprimeable number, because it can be changed into a prime (82261733773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131107 + ... + 5147113.

It is an arithmetic number, because the mean of its divisors is an integer number (4640487084).

Almost surely, 2^82261733770 is an apocalyptic number.

82261733770 is a deficient number, since it is larger than the sum of its proper divisors (66233852918).

82261733770 is a wasteful number, since it uses less digits than its factorization.

82261733770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 82261733770 in words is "eighty-two billion, two hundred sixty-one million, seven hundred thirty-three thousand, seven hundred seventy".