247891110426948 has 24 divisors (see below), whose sum is σ = 578420321437728. Its totient is φ = 82629265793536.

The previous prime is 247891110426931. The next prime is 247891110426977. The reversal of 247891110426948 is 849624011198742.

It is a super-2 number, since 2×247891110426948² (a number of 30 digits) contains 22 as substring.

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, 137108061 + ... + 138904292.

It is an arithmetic number, because the mean of its divisors is an integer number (24100846726572).

Almost surely, 2^{247891110426948} is an apocalyptic number.

It is an amenable number.

247891110426948 is an abundant number, since it is smaller than the sum of its proper divisors (330529211010780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247891110426948 is a wasteful number, since it uses less digits than its factorization.

247891110426948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276087203 (or 276087201 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 247891110426948 in words is "two hundred forty-seven trillion, eight hundred ninety-one billion, one hundred ten million, four hundred twenty-six thousand, nine hundred forty-eight".