82761606782 has 32 divisors (see below), whose sum is σ = 126737170560. Its totient is φ = 40521690720.

The previous prime is 82761606731. The next prime is 82761606791. The reversal of 82761606782 is 28760616728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48032573 + ... + 48034295.

It is an arithmetic number, because the mean of its divisors is an integer number (3960536580).

Almost surely, 2^82761606782 is an apocalyptic number.

82761606782 is a deficient number, since it is larger than the sum of its proper divisors (43975563778).

82761606782 is a wasteful number, since it uses less digits than its factorization.

82761606782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 82761606782 in words is "eighty-two billion, seven hundred sixty-one million, six hundred six thousand, seven hundred eighty-two".