961767544 has 8 divisors (see below), whose sum is σ = 1803314160. Its totient is φ = 480883768.

The previous prime is 961767523. The next prime is 961767581. The reversal of 961767544 is 445767169.

961767544 = T₂₅₃₂₀ + T₂₅₃₂₁ + T₂₅₃₂₂.

961767544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110464 + ... + 60110479.

It is an arithmetic number, because the mean of its divisors is an integer number (225414270).

Almost surely, 2^961767544 is an apocalyptic number.

961767544 is the 25322-nd centered triangular number.

It is an amenable number.

961767544 is a deficient number, since it is larger than the sum of its proper divisors (841546616).

961767544 is a wasteful number, since it uses less digits than its factorization.

961767544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120220949 (or 120220945 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 961767544 is about 31012.3772710187. The cubic root of 961767544 is about 987.0898944199.

The spelling of 961767544 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, five hundred forty-four".