82765749 has 8 divisors (see below), whose sum is σ = 120386592. Its totient is φ = 50161040.

The previous prime is 82765747. The next prime is 82765777. The reversal of 82765749 is 94756728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82765749 - 2¹ = 82765747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82765698 and 82765707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82765747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253994 + ... + 1254059.

It is an arithmetic number, because the mean of its divisors is an integer number (15048324).

Almost surely, 2^82765749 is an apocalyptic number.

It is an amenable number.

82765749 is a deficient number, since it is larger than the sum of its proper divisors (37620843).

82765749 is a wasteful number, since it uses less digits than its factorization.

82765749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508067.

The product of its digits is 846720, while the sum is 48.

The square root of 82765749 is about 9097.5683014749. The cubic root of 82765749 is about 435.7963112334.

The spelling of 82765749 in words is "eighty-two million, seven hundred sixty-five thousand, seven hundred forty-nine".