7834163820 has 96 divisors (see below), whose sum is σ = 25933824000. Its totient is φ = 1728916224.

The previous prime is 7834163819. The next prime is 7834163833. The reversal of 7834163820 is 283614387.

It is a super-2 number, since 2×7834163820² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309420 + ... + 333779.

It is an arithmetic number, because the mean of its divisors is an integer number (270144000).

Almost surely, 2^7834163820 is an apocalyptic number.

7834163820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7834163820 is an abundant number, since it is smaller than the sum of its proper divisors (18099660180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7834163820 is a wasteful number, since it uses less digits than its factorization.

7834163820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643247 (or 643245 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 7834163820 is about 88510.8118819390. The cubic root of 7834163820 is about 1986.0837113781.

The spelling of 7834163820 in words is "seven billion, eight hundred thirty-four million, one hundred sixty-three thousand, eight hundred twenty".