47819963 has 12 divisors (see below), whose sum is σ = 51052872. Its totient is φ = 44782080.

The previous prime is 47819957. The next prime is 47819969. The reversal of 47819963 is 36991874.

It is an interprime number because it is at equal distance from previous prime (47819957) and next prime (47819969).

It is not a de Polignac number, because 47819963 - 2¹⁸ = 47557819 is a prime.

It is a super-2 number, since 2×47819963² = 4573497722642738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47819969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97148 + ... + 97638.

It is an arithmetic number, because the mean of its divisors is an integer number (4254406).

Almost surely, 2^47819963 is an apocalyptic number.

47819963 is a deficient number, since it is larger than the sum of its proper divisors (3232909).

47819963 is a wasteful number, since it uses less digits than its factorization.

47819963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 845 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 47819963 is about 6915.1979725818. The cubic root of 47819963 is about 362.9691757680.

The spelling of 47819963 in words is "forty-seven million, eight hundred nineteen thousand, nine hundred sixty-three".