82697077 has 8 divisors (see below), whose sum is σ = 83603520. Its totient is φ = 81795360.

The previous prime is 82697071. The next prime is 82697089. The reversal of 82697077 is 77079628.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82697077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82697071) 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, 42273 + ... + 44185.

It is an arithmetic number, because the mean of its divisors is an integer number (10450440).

Almost surely, 2^82697077 is an apocalyptic number.

It is an amenable number.

82697077 is a deficient number, since it is larger than the sum of its proper divisors (906443).

82697077 is a wasteful number, since it uses less digits than its factorization.

82697077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 82697077 is about 9093.7933229209. The cubic root of 82697077 is about 435.6757489420.

It can be divided in two parts, 826 and 97077, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 82697077 in words is "eighty-two million, six hundred ninety-seven thousand, seventy-seven".