78532862512031 has 8 divisors (see below), whose sum is σ = 78854996468544. Its totient is φ = 78210966385440.

The previous prime is 78532862512007. The next prime is 78532862512037. The reversal of 78532862512031 is 13021526823587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78532862512031 - 2⁴⁶ = 8164118334367 is a prime.

It is a super-2 number, since 2×78532862512031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78532862512037) 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, 58795700 + ... + 60116553.

It is an arithmetic number, because the mean of its divisors is an integer number (9856874558568).

Almost surely, 2^{78532862512031} is an apocalyptic number.

78532862512031 is a deficient number, since it is larger than the sum of its proper divisors (322133956513).

78532862512031 is a wasteful number, since it uses less digits than its factorization.

78532862512031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118914961.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 78532862512031 in words is "seventy-eight trillion, five hundred thirty-two billion, eight hundred sixty-two million, five hundred twelve thousand, thirty-one".