9064868778 has 72 divisors (see below), whose sum is σ = 23635069380. Its totient is φ = 2500646400.

The previous prime is 9064868777. The next prime is 9064868789. The reversal of 9064868778 is 8778684609.

9064868778 is a `hidden beast` number, since 9 + 0 + 6 + 486 + 87 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8089743249 + 975125529 = 89943^2 + 31227^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9064868777) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 151623 + ... + 202778.

Almost surely, 2^9064868778 is an apocalyptic number.

9064868778 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

9064868778 is an abundant number, since it is smaller than the sum of its proper divisors (14570200602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9064868778 is a wasteful number, since it uses less digits than its factorization.

9064868778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354452 (or 354442 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The square root of 9064868778 is about 95209.6044419889. The cubic root of 9064868778 is about 2085.0693640123.

It can be divided in two parts, 906 and 4868778, that added together give a palindrome (4869684).

The spelling of 9064868778 in words is "nine billion, sixty-four million, eight hundred sixty-eight thousand, seven hundred seventy-eight".