47819499 has 32 divisors (see below), whose sum is σ = 79242240. Its totient is φ = 24976512.

The previous prime is 47819479. The next prime is 47819509. The reversal of 47819499 is 99491874.

It is not a de Polignac number, because 47819499 - 2⁵ = 47819467 is a prime.

It is a super-2 number, since 2×47819499² = 4573408969222002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47819479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28954 + ... + 30560.

It is an arithmetic number, because the mean of its divisors is an integer number (2476320).

Almost surely, 2^47819499 is an apocalyptic number.

47819499 is a deficient number, since it is larger than the sum of its proper divisors (31422741).

47819499 is a wasteful number, since it uses less digits than its factorization.

47819499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739.

The product of its digits is 653184, while the sum is 51.

The square root of 47819499 is about 6915.1644232079. The cubic root of 47819499 is about 362.9680017936.

The spelling of 47819499 in words is "forty-seven million, eight hundred nineteen thousand, four hundred ninety-nine".