78145601000532 has 24 divisors (see below), whose sum is σ = 196365869181216. Its totient is φ = 24044800307808.

The previous prime is 78145601000497. The next prime is 78145601000543. The reversal of 78145601000532 is 23500010654187.

It is a happy number.

It is a super-2 number, since 2×78145601000532² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250466669718 + ... + 250466670029.

It is an arithmetic number, because the mean of its divisors is an integer number (8181911215884).

Almost surely, 2^{78145601000532} is an apocalyptic number.

It is an amenable number.

78145601000532 is an abundant number, since it is smaller than the sum of its proper divisors (118220268180684).

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

78145601000532 is a wasteful number, since it uses less digits than its factorization.

78145601000532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500933339767 (or 500933339765 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 78145601000532 in words is "seventy-eight trillion, one hundred forty-five billion, six hundred one million, five hundred thirty-two", and thus it is an aban number.