961051787 has 4 divisors (see below), whose sum is σ = 1011633480. Its totient is φ = 910470096.

The previous prime is 961051759. The next prime is 961051829. The reversal of 961051787 is 787150169.

961051787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 787150169 = 13 ⋅60550013.

It is a cyclic number.

It is not a de Polignac number, because 961051787 - 2¹⁰ = 961050763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961051747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25290818 + ... + 25290855.

It is an arithmetic number, because the mean of its divisors is an integer number (252908370).

Almost surely, 2^961051787 is an apocalyptic number.

961051787 is a deficient number, since it is larger than the sum of its proper divisors (50581693).

961051787 is a wasteful number, since it uses less digits than its factorization.

961051787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50581692.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 961051787 is about 31000.8352629409. The cubic root of 961051787 is about 986.8449662686.

The spelling of 961051787 in words is "nine hundred sixty-one million, fifty-one thousand, seven hundred eighty-seven".