7825106090 has 8 divisors (see below), whose sum is σ = 14085190980. Its totient is φ = 3130042432.

The previous prime is 7825106057. The next prime is 7825106111. The reversal of 7825106090 is 906015287.

It can be written as a sum of positive squares in 2 ways, for example, as 7567086121 + 258019969 = 86989^2 + 16063^2 .

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

It is a super-2 number, since 2×7825106090² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391255295 + ... + 391255314.

Almost surely, 2^7825106090 is an apocalyptic number.

7825106090 is a deficient number, since it is larger than the sum of its proper divisors (6260084890).

7825106090 is a wasteful number, since it uses less digits than its factorization.

7825106090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782510616.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 7825106090 is about 88459.6297188723. The cubic root of 7825106090 is about 1985.3179905386.

The spelling of 7825106090 in words is "seven billion, eight hundred twenty-five million, one hundred six thousand, ninety".