86742635424 has 48 divisors (see below), whose sum is σ = 233853465888. Its totient is φ = 28132745472.

The previous prime is 86742635423. The next prime is 86742635453. The reversal of 86742635424 is 42453624768.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (86742635423) 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, 12206842 + ... + 12213945.

It is an arithmetic number, because the mean of its divisors is an integer number (4871947206).

Almost surely, 2^86742635424 is an apocalyptic number.

It is an amenable number.

86742635424 is an abundant number, since it is smaller than the sum of its proper divisors (147110830464).

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

86742635424 is a wasteful number, since it uses less digits than its factorization.

86742635424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420837 (or 24420829 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 51.

The spelling of 86742635424 in words is "eighty-six billion, seven hundred forty-two million, six hundred thirty-five thousand, four hundred twenty-four".