82913777 has 8 divisors (see below), whose sum is σ = 92412000. Its totient is φ = 73929024.

The previous prime is 82913771. The next prime is 82913791. The reversal of 82913777 is 77731928.

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 82913777 - 2¹² = 82909681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82913771) 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, 128027 + ... + 128672.

It is an arithmetic number, because the mean of its divisors is an integer number (11551500).

Almost surely, 2^82913777 is an apocalyptic number.

It is an amenable number.

82913777 is a deficient number, since it is larger than the sum of its proper divisors (9498223).

82913777 is a wasteful number, since it uses less digits than its factorization.

82913777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256735.

The product of its digits is 148176, while the sum is 44.

The square root of 82913777 is about 9105.7002476471. The cubic root of 82913777 is about 436.0559662887.

The spelling of 82913777 in words is "eighty-two million, nine hundred thirteen thousand, seven hundred seventy-seven".