9772439046 has 16 divisors (see below), whose sum is σ = 19592670000. Its totient is φ = 3249514368.

The previous prime is 9772439021. The next prime is 9772439057. The reversal of 9772439046 is 6409342779.

It is a self number, because there is not a number n which added to its sum of digits gives 9772439046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988671 + ... + 1993578.

It is an arithmetic number, because the mean of its divisors is an integer number (1224541875).

Almost surely, 2^9772439046 is an apocalyptic number.

9772439046 is an abundant number, since it is smaller than the sum of its proper divisors (9820230954).

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

9772439046 is a wasteful number, since it uses less digits than its factorization.

9772439046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982663.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 9772439046 is about 98855.6475169729. The cubic root of 9772439046 is about 2137.9669635645.

The spelling of 9772439046 in words is "nine billion, seven hundred seventy-two million, four hundred thirty-nine thousand, forty-six".