81270096 has 40 divisors (see below), whose sum is σ = 216724224. Its totient is φ = 26215680.

The previous prime is 81270071. The next prime is 81270121. The reversal of 81270096 is 69007218.

It is an interprime number because it is at equal distance from previous prime (81270071) and next prime (81270121).

It is a congruent number.

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, 25821 + ... + 28796.

Almost surely, 2^81270096 is an apocalyptic number.

It is an amenable number.

81270096 is an abundant number, since it is smaller than the sum of its proper divisors (135454128).

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

81270096 is a wasteful number, since it uses less digits than its factorization.

81270096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54659 (or 54653 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 81270096 is about 9014.9928452551. The cubic root of 81270096 is about 433.1552583239.

The spelling of 81270096 in words is "eighty-one million, two hundred seventy thousand, ninety-six".