247122880091 has 8 divisors (see below), whose sum is σ = 248973197904. Its totient is φ = 245273236480.

The previous prime is 247122880073. The next prime is 247122880211. The reversal of 247122880091 is 190088221742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247122880091 - 2²² = 247118685787 is a prime.

It is a super-2 number, since 2×247122880091² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247122880021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579656 + ... + 911178.

It is an arithmetic number, because the mean of its divisors is an integer number (31121649738).

Almost surely, 2^247122880091 is an apocalyptic number.

247122880091 is a deficient number, since it is larger than the sum of its proper divisors (1850317813).

247122880091 is a wasteful number, since it uses less digits than its factorization.

247122880091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337101.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 247122880091 in words is "two hundred forty-seven billion, one hundred twenty-two million, eight hundred eighty thousand, ninety-one".