82002077 has 8 divisors (see below), whose sum is σ = 84157920. Its totient is φ = 79868880.

The previous prime is 82002073. The next prime is 82002103. The reversal of 82002077 is 77020028.

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

It is not a de Polignac number, because 82002077 - 2² = 82002073 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 (82002073) 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, 1802 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 2^82002077 is an apocalyptic number.

It is an amenable number.

82002077 is a deficient number, since it is larger than the sum of its proper divisors (2155843).

82002077 is a wasteful number, since it uses less digits than its factorization.

82002077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 82002077 is about 9055.4998205510. The cubic root of 82002077 is about 434.4518166305.

The spelling of 82002077 in words is "eighty-two million, two thousand, seventy-seven".