7934507956 has 6 divisors (see below), whose sum is σ = 13885388930. Its totient is φ = 3967253976.

The previous prime is 7934507951. The next prime is 7934507983. The reversal of 7934507956 is 6597054397.

It can be written as a sum of positive squares in only one way, i.e., 7799715856 + 134792100 = 88316^2 + 11610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7934507897 and 7934507906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7934507951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991813491 + ... + 991813498.

Almost surely, 2^7934507956 is an apocalyptic number.

It is an amenable number.

7934507956 is a deficient number, since it is larger than the sum of its proper divisors (5950880974).

7934507956 is a wasteful number, since it uses less digits than its factorization.

7934507956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983626993 (or 1983626991 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 55.

The square root of 7934507956 is about 89075.8550674648. The cubic root of 7934507956 is about 1994.5273684774.

The spelling of 7934507956 in words is "seven billion, nine hundred thirty-four million, five hundred seven thousand, nine hundred fifty-six".