78995741 has 4 divisors (see below), whose sum is σ = 86177184. Its totient is φ = 71814300.

The previous prime is 78995729. The next prime is 78995789. The reversal of 78995741 is 14759987.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78995741 - 2⁶ = 78995677 is a prime.

It is a super-2 number, since 2×78995741² = 12480654192278162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78995741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78995341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590705 + ... + 3590726.

It is an arithmetic number, because the mean of its divisors is an integer number (21544296).

Almost surely, 2^78995741 is an apocalyptic number.

It is an amenable number.

78995741 is a deficient number, since it is larger than the sum of its proper divisors (7181443).

78995741 is a wasteful number, since it uses less digits than its factorization.

78995741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181442.

The product of its digits is 635040, while the sum is 50.

The square root of 78995741 is about 8887.9548266179. The cubic root of 78995741 is about 429.0763317246.

The spelling of 78995741 in words is "seventy-eight million, nine hundred ninety-five thousand, seven hundred forty-one".