82087793 has 8 divisors (see below), whose sum is σ = 84651840. Its totient is φ = 79542000.

The previous prime is 82087787. The next prime is 82087799. The reversal of 82087793 is 39778028.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82087787) and next prime (82087799).

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 82087793 - 2⁶ = 82087729 is a prime.

It is a super-2 number, since 2×82087793² = 13476811519221698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82087799) 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, 4868 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (10581480).

Almost surely, 2^82087793 is an apocalyptic number.

It is an amenable number.

82087793 is a deficient number, since it is larger than the sum of its proper divisors (2564047).

82087793 is a wasteful number, since it uses less digits than its factorization.

82087793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 82087793 is about 9060.2313988110. The cubic root of 82087793 is about 434.6031400499.

The spelling of 82087793 in words is "eighty-two million, eighty-seven thousand, seven hundred ninety-three".