7835978730 has 32 divisors (see below), whose sum is σ = 18887079744. Its totient is φ = 2080624256.

The previous prime is 7835978719. The next prime is 7835978737. The reversal of 7835978730 is 378795387.

It is a super-2 number, since 2×7835978730² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7835978737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553524 + ... + 567503.

It is an arithmetic number, because the mean of its divisors is an integer number (590221242).

Almost surely, 2^7835978730 is an apocalyptic number.

7835978730 is an abundant number, since it is smaller than the sum of its proper divisors (11051101014).

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

7835978730 is a wasteful number, since it uses less digits than its factorization.

7835978730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121270.

The product of its (nonzero) digits is 8890560, while the sum is 57.

The square root of 7835978730 is about 88521.0637645075. The cubic root of 7835978730 is about 1986.2370689436.

The spelling of 7835978730 in words is "seven billion, eight hundred thirty-five million, nine hundred seventy-eight thousand, seven hundred thirty".