78060531 has 8 divisors (see below), whose sum is σ = 109558720. Its totient is φ = 49301352.

The previous prime is 78060529. The next prime is 78060553. The reversal of 78060531 is 13506087.

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

It is not a de Polignac number, because 78060531 - 2¹ = 78060529 is a prime.

It is a super-2 number, since 2×78060531² = 12186893000003922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78060581) 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, 684685 + ... + 684798.

It is an arithmetic number, because the mean of its divisors is an integer number (13694840).

Almost surely, 2^78060531 is an apocalyptic number.

78060531 is a deficient number, since it is larger than the sum of its proper divisors (31498189).

78060531 is a wasteful number, since it uses less digits than its factorization.

78060531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369505.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 78060531 is about 8835.1870947932. The cubic root of 78060531 is about 427.3763645073.

The spelling of 78060531 in words is "seventy-eight million, sixty thousand, five hundred thirty-one".