7822102085 has 32 divisors (see below), whose sum is σ = 11282153472. Its totient is φ = 5090057280.

The previous prime is 7822102081. The next prime is 7822102087. The reversal of 7822102085 is 5802012287.

It is not a de Polignac number, because 7822102085 - 2² = 7822102081 is a prime.

It is a super-2 number, since 2×7822102085² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822102081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63980 + ... + 140490.

It is an arithmetic number, because the mean of its divisors is an integer number (352567296).

Almost surely, 2^7822102085 is an apocalyptic number.

It is an amenable number.

7822102085 is a deficient number, since it is larger than the sum of its proper divisors (3460051387).

7822102085 is a wasteful number, since it uses less digits than its factorization.

7822102085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76673.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 7822102085 is about 88442.6485639140. The cubic root of 7822102085 is about 1985.0639079983.

The spelling of 7822102085 in words is "seven billion, eight hundred twenty-two million, one hundred two thousand, eighty-five".