78996701 has 4 divisors (see below), whose sum is σ = 90281952. Its totient is φ = 67711452.

The previous prime is 78996689. The next prime is 78996713. The reversal of 78996701 is 10769987.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10769987 = 439 ⋅24533.

It is an interprime number because it is at equal distance from previous prime (78996689) and next prime (78996713).

It is a cyclic number.

It is not a de Polignac number, because 78996701 - 2¹⁰ = 78995677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78996781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642615 + ... + 5642628.

It is an arithmetic number, because the mean of its divisors is an integer number (22570488).

Almost surely, 2^78996701 is an apocalyptic number.

It is an amenable number.

78996701 is a deficient number, since it is larger than the sum of its proper divisors (11285251).

78996701 is a wasteful number, since it uses less digits than its factorization.

78996701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285250.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 78996701 is about 8888.0088321288. The cubic root of 78996701 is about 429.0780698420.

It can be divided in two parts, 78996 and 701, that added together give a palindrome (79697).

The spelling of 78996701 in words is "seventy-eight million, nine hundred ninety-six thousand, seven hundred one".