698872974840 has 96 divisors (see below), whose sum is σ = 2324159014320. Its totient is φ = 182032026624.

The previous prime is 698872974829. The next prime is 698872974851. The reversal of 698872974840 is 48479278896.

698872974840 is a `hidden beast` number, since 69 + 8 + 87 + 2 + 9 + 7 + 484 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (698872974829) and next prime (698872974851).

It is a super-2 number, since 2×698872974840² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22557937 + ... + 22588896.

Almost surely, 2^698872974840 is an apocalyptic number.

698872974840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698872974840 is an abundant number, since it is smaller than the sum of its proper divisors (1625286039480).

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

698872974840 is a wasteful number, since it uses less digits than its factorization.

698872974840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45146893 (or 45146886 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 698872974840 in words is "six hundred ninety-eight billion, eight hundred seventy-two million, nine hundred seventy-four thousand, eight hundred forty".