84279299040 has 96 divisors (see below), whose sum is σ = 294977561760. Its totient is φ = 22474478592.

The previous prime is 84279299029. The next prime is 84279299063. The reversal of 84279299040 is 4099297248.

84279299040 is a `hidden beast` number, since 8 + 427 + 92 + 9 + 90 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9750229 + ... + 9758868.

It is an arithmetic number, because the mean of its divisors is an integer number (3072682935).

Almost surely, 2^84279299040 is an apocalyptic number.

84279299040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84279299040 is an abundant number, since it is smaller than the sum of its proper divisors (210698262720).

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

84279299040 is a wasteful number, since it uses less digits than its factorization.

84279299040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509121 (or 19509107 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 84279299040 in words is "eighty-four billion, two hundred seventy-nine million, two hundred ninety-nine thousand, forty".