968761551 has 8 divisors (see below), whose sum is σ = 1295342640. Its totient is φ = 644010752.

The previous prime is 968761517. The next prime is 968761553. The reversal of 968761551 is 155167869.

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

It is a cyclic number.

It is not a de Polignac number, because 968761551 - 2²⁷ = 834543823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 968761551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968761553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456336 + ... + 458453.

It is an arithmetic number, because the mean of its divisors is an integer number (161917830).

Almost surely, 2^968761551 is an apocalyptic number.

968761551 is a deficient number, since it is larger than the sum of its proper divisors (326581089).

968761551 is a wasteful number, since it uses less digits than its factorization.

968761551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915145.

The product of its digits is 453600, while the sum is 48.

The square root of 968761551 is about 31124.9345541481. The cubic root of 968761551 is about 989.4768351018.

The spelling of 968761551 in words is "nine hundred sixty-eight million, seven hundred sixty-one thousand, five hundred fifty-one".