247087668862 has 4 divisors (see below), whose sum is σ = 370631503296. Its totient is φ = 123543834430.

The previous prime is 247087668857. The next prime is 247087668911. The reversal of 247087668862 is 268866780742.

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

It is a super-2 number, since 2×247087668862² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247087668794 and 247087668803.

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, 61771917214 + ... + 61771917217.

It is an arithmetic number, because the mean of its divisors is an integer number (92657875824).

Almost surely, 2^247087668862 is an apocalyptic number.

247087668862 is a deficient number, since it is larger than the sum of its proper divisors (123543834434).

247087668862 is a wasteful number, since it uses less digits than its factorization.

247087668862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123543834433.

The product of its (nonzero) digits is 86704128, while the sum is 64.

The spelling of 247087668862 in words is "two hundred forty-seven billion, eighty-seven million, six hundred sixty-eight thousand, eight hundred sixty-two".