78150793 has 8 divisors (see below), whose sum is σ = 89379200. Its totient is φ = 66938400.

The previous prime is 78150773. The next prime is 78150799. The reversal of 78150793 is 39705187.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78150793 is a prime.

It is a super-2 number, since 2×78150793² = 12215092893057698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78150799) 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, 9508 + ... + 15706.

It is an arithmetic number, because the mean of its divisors is an integer number (11172400).

Almost surely, 2^78150793 is an apocalyptic number.

It is an amenable number.

78150793 is a deficient number, since it is larger than the sum of its proper divisors (11228407).

78150793 is a wasteful number, since it uses less digits than its factorization.

78150793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 78150793 is about 8840.2937168400. The cubic root of 78150793 is about 427.5410272630.

The spelling of 78150793 in words is "seventy-eight million, one hundred fifty thousand, seven hundred ninety-three".