2807794947 has 6 divisors (see below), whose sum is σ = 3743848972. Its totient is φ = 1871802112.

The previous prime is 2807794931. The next prime is 2807794949. The reversal of 2807794947 is 7494977082.

It is a happy number.

2807794947 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2807794947 - 2⁴ = 2807794931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2807794949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76483 + ... + 107075.

Almost surely, 2^2807794947 is an apocalyptic number.

2807794947 is a deficient number, since it is larger than the sum of its proper divisors (936054025).

2807794947 is an frugal number, since it uses more digits than its factorization.

2807794947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61189 (or 30596 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The square root of 2807794947 is about 52988.6303559547. The cubic root of 2807794947 is about 1410.7664707544.

The spelling of 2807794947 in words is "two billion, eight hundred seven million, seven hundred ninety-four thousand, nine hundred forty-seven".