86961276 has 60 divisors (see below), whose sum is σ = 229760608. Its totient is φ = 28677888.

The previous prime is 86961257. The next prime is 86961283. The reversal of 86961276 is 67216968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30045 + ... + 32811.

Almost surely, 2^86961276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86961276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114880304).

86961276 is an abundant number, since it is smaller than the sum of its proper divisors (142799332).

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

86961276 is a wasteful number, since it uses less digits than its factorization.

86961276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2869 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86961276 is about 9325.3029977583. The cubic root of 86961276 is about 443.0390099270.

The spelling of 86961276 in words is "eighty-six million, nine hundred sixty-one thousand, two hundred seventy-six".