84958865140 has 24 divisors (see below), whose sum is σ = 178419290112. Its totient is φ = 33982465440.

The previous prime is 84958865137. The next prime is 84958865149. The reversal of 84958865140 is 4156885948.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84958865149) 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, 953997 + ... + 1039243.

It is an arithmetic number, because the mean of its divisors is an integer number (7434137088).

Almost surely, 2^84958865140 is an apocalyptic number.

It is an amenable number.

84958865140 is an abundant number, since it is smaller than the sum of its proper divisors (93460424972).

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

84958865140 is a wasteful number, since it uses less digits than its factorization.

84958865140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135087 (or 135085 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 84958865140 in words is "eighty-four billion, nine hundred fifty-eight million, eight hundred sixty-five thousand, one hundred forty".