7934856402 has 32 divisors (see below), whose sum is σ = 17909398080. Its totient is φ = 2321587520.

The previous prime is 7934856401. The next prime is 7934856409. The reversal of 7934856402 is 2046584397.

It is a super-2 number, since 2×7934856402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7934856401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070933 + ... + 2074760.

It is an arithmetic number, because the mean of its divisors is an integer number (559668690).

Almost surely, 2^7934856402 is an apocalyptic number.

7934856402 is an abundant number, since it is smaller than the sum of its proper divisors (9974541678).

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

7934856402 is a wasteful number, since it uses less digits than its factorization.

7934856402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145738.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 7934856402 is about 89077.8109407725. The cubic root of 7934856402 is about 1994.5565647810.

The spelling of 7934856402 in words is "seven billion, nine hundred thirty-four million, eight hundred fifty-six thousand, four hundred two".