86961049044 has 12 divisors (see below), whose sum is σ = 202909114464. Its totient is φ = 28987016344.

The previous prime is 86961049033. The next prime is 86961049121. The reversal of 86961049044 is 44094016968.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623377032 + ... + 3623377055.

It is an arithmetic number, because the mean of its divisors is an integer number (16909092872).

Almost surely, 2^86961049044 is an apocalyptic number.

It is an amenable number.

86961049044 is an abundant number, since it is smaller than the sum of its proper divisors (115948065420).

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

86961049044 is a wasteful number, since it uses less digits than its factorization.

86961049044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246754094 (or 7246754092 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 86961049044 in words is "eighty-six billion, nine hundred sixty-one million, forty-nine thousand, forty-four".