78513150 has 48 divisors (see below), whose sum is σ = 201438000. Its totient is φ = 20213760.

The previous prime is 78513133. The next prime is 78513181. The reversal of 78513150 is 5131587.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4675 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (4196625).

Almost surely, 2^78513150 is an apocalyptic number.

78513150 is an abundant number, since it is smaller than the sum of its proper divisors (122924850).

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

78513150 is a wasteful number, since it uses less digits than its factorization.

78513150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093 (or 18088 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 78513150 is about 8860.7646396911. The cubic root of 78513150 is about 428.2007930529.

The spelling of 78513150 in words is "seventy-eight million, five hundred thirteen thousand, one hundred fifty".