9765478801 has 8 divisors (see below), whose sum is σ = 10715097960. Its totient is φ = 8844206592.

The previous prime is 9765478771. The next prime is 9765478823. The reversal of 9765478801 is 1088745679.

It can be written as a sum of positive squares in 4 ways, for example, as 127148176 + 9638330625 = 11276^2 + 98175^2 .

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

It is not a de Polignac number, because 9765478801 - 2⁷ = 9765478673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9765478831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7086016 + ... + 7087393.

It is an arithmetic number, because the mean of its divisors is an integer number (1339387245).

Almost surely, 2^9765478801 is an apocalyptic number.

It is an amenable number.

9765478801 is a deficient number, since it is larger than the sum of its proper divisors (949619159).

9765478801 is a wasteful number, since it uses less digits than its factorization.

9765478801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173475.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 9765478801 is about 98820.4371625627. The cubic root of 9765478801 is about 2137.4592667636.

It can be divided in two parts, 9765 and 478801, that added together give a triangular number (488566 = T₉₈₈).

The spelling of 9765478801 in words is "nine billion, seven hundred sixty-five million, four hundred seventy-eight thousand, eight hundred one".