93426987870 has 64 divisors (see below), whose sum is σ = 249179019840. Its totient is φ = 24909825024.

The previous prime is 93426987869. The next prime is 93426987911. The reversal of 93426987870 is 7878962439.

It is a super-2 number, since 2×93426987870² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 93426987798 and 93426987807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1880874 + ... + 1929906.

It is an arithmetic number, because the mean of its divisors is an integer number (3893422185).

Almost surely, 2^93426987870 is an apocalyptic number.

93426987870 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

93426987870 is an abundant number, since it is smaller than the sum of its proper divisors (155752031970).

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

93426987870 is a wasteful number, since it uses less digits than its factorization.

93426987870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56106 (or 56100 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 93426987870 in words is "ninety-three billion, four hundred twenty-six million, nine hundred eighty-seven thousand, eight hundred seventy".