47287798 has 4 divisors (see below), whose sum is σ = 70931700. Its totient is φ = 23643898.

The previous prime is 47287787. The next prime is 47287811. The reversal of 47287798 is 89778274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×47287798² = 4472271679377608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821948 + ... + 11821951.

It is an arithmetic number, because the mean of its divisors is an integer number (17732925).

Almost surely, 2^47287798 is an apocalyptic number.

47287798 is a deficient number, since it is larger than the sum of its proper divisors (23643902).

47287798 is a wasteful number, since it uses less digits than its factorization.

47287798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23643901.

The product of its digits is 1580544, while the sum is 52.

The square root of 47287798 is about 6876.6123927411. The cubic root of 47287798 is about 361.6177145220.

The spelling of 47287798 in words is "forty-seven million, two hundred eighty-seven thousand, seven hundred ninety-eight".