247478891014 has 16 divisors (see below), whose sum is σ = 379050150528. Its totient is φ = 121139059392.

The previous prime is 247478890987. The next prime is 247478891057. The reversal of 247478891014 is 410198874742.

It is a super-2 number, since 2×247478891014² (a number of 24 digits) contains 22 as substring.

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, 2505942 + ... + 2602825.

It is an arithmetic number, because the mean of its divisors is an integer number (23690634408).

Almost surely, 2^247478891014 is an apocalyptic number.

247478891014 is a deficient number, since it is larger than the sum of its proper divisors (131571259514).

247478891014 is a wasteful number, since it uses less digits than its factorization.

247478891014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109279.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 247478891014 in words is "two hundred forty-seven billion, four hundred seventy-eight million, eight hundred ninety-one thousand, fourteen".