7955519090 has 16 divisors (see below), whose sum is σ = 14321100888. Its totient is φ = 3181948416.

The previous prime is 7955519081. The next prime is 7955519137. The reversal of 7955519090 is 909155597.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6182519641 + 1772999449 = 78629^2 + 42107^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140354 + ... + 188706.

Almost surely, 2^7955519090 is an apocalyptic number.

7955519090 is a deficient number, since it is larger than the sum of its proper divisors (6365581798).

7955519090 is a wasteful number, since it uses less digits than its factorization.

7955519090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64813.

The product of its (nonzero) digits is 637875, while the sum is 50.

The square root of 7955519090 is about 89193.7166508942. The cubic root of 7955519090 is about 1996.2863662300.

The spelling of 7955519090 in words is "seven billion, nine hundred fifty-five million, five hundred nineteen thousand, ninety".