84917871948 has 48 divisors (see below), whose sum is σ = 243866712320. Its totient is φ = 22395921984.

The previous prime is 84917871937. The next prime is 84917871959.

84917871948 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (84917871937) and next prime (84917871959).

It is a super-2 number, since 2×84917871948² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38880718 + ... + 38882901.

Almost surely, 2^84917871948 is an apocalyptic number.

It is an amenable number.

84917871948 is an abundant number, since it is smaller than the sum of its proper divisors (158948840372).

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

84917871948 is a wasteful number, since it uses less digits than its factorization.

84917871948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77763646 (or 77763644 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 66.

The spelling of 84917871948 in words is "eighty-four billion, nine hundred seventeen million, eight hundred seventy-one thousand, nine hundred forty-eight".