7608561961 has 32 divisors (see below), whose sum is σ = 10225990656. Its totient is φ = 5467176000.

The previous prime is 7608561941. The next prime is 7608561979. The reversal of 7608561961 is 1691658067.

It is a happy number.

It is not a de Polignac number, because 7608561961 - 2⁵ = 7608561929 is a prime.

It is a super-2 number, since 2×7608561961² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7608561901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168926 + ... + 1175416.

It is an arithmetic number, because the mean of its divisors is an integer number (319562208).

Almost surely, 2^7608561961 is an apocalyptic number.

It is an amenable number.

7608561961 is a deficient number, since it is larger than the sum of its proper divisors (2617428695).

7608561961 is a wasteful number, since it uses less digits than its factorization.

7608561961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 7608561961 is about 87227.0712623094. The cubic root of 7608561961 is about 1966.8331850035.

The spelling of 7608561961 in words is "seven billion, six hundred eight million, five hundred sixty-one thousand, nine hundred sixty-one".