7928650715 has 8 divisors (see below), whose sum is σ = 9515149488. Its totient is φ = 6342408160.

The previous prime is 7928650661. The next prime is 7928650787. The reversal of 7928650715 is 5170568297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7928650715 - 2¹⁶ = 7928585179 is a prime.

It is a super-2 number, since 2×7928650715² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12305 + ... + 126525.

It is an arithmetic number, because the mean of its divisors is an integer number (1189393686).

Almost surely, 2^7928650715 is an apocalyptic number.

7928650715 is a deficient number, since it is larger than the sum of its proper divisors (1586498773).

7928650715 is a wasteful number, since it uses less digits than its factorization.

7928650715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128109.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The square root of 7928650715 is about 89042.9711712272. The cubic root of 7928650715 is about 1994.0364620313.

The spelling of 7928650715 in words is "seven billion, nine hundred twenty-eight million, six hundred fifty thousand, seven hundred fifteen".