9779609452 has 48 divisors (see below), whose sum is σ = 17496622080. Its totient is φ = 4782177792.

The previous prime is 9779609393. The next prime is 9779609461. The reversal of 9779609452 is 2549069779.

It is a super-2 number, since 2×9779609452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15114993 + ... + 15115639.

It is an arithmetic number, because the mean of its divisors is an integer number (364512960).

Almost surely, 2^9779609452 is an apocalyptic number.

It is an amenable number.

9779609452 is a deficient number, since it is larger than the sum of its proper divisors (7717012628).

9779609452 is a wasteful number, since it uses less digits than its factorization.

9779609452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 58.

The square root of 9779609452 is about 98891.9079197080. The cubic root of 9779609452 is about 2138.4897379773.

The spelling of 9779609452 in words is "nine billion, seven hundred seventy-nine million, six hundred nine thousand, four hundred fifty-two".