78700941 has 18 divisors (see below), whose sum is σ = 124954830. Its totient is φ = 47696880.

The previous prime is 78700933. The next prime is 78700949. The reversal of 78700941 is 14900787.

It is an interprime number because it is at equal distance from previous prime (78700933) and next prime (78700949).

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 17015625 = 7854^2 + 4125^2 .

It is not a de Polignac number, because 78700941 - 2³ = 78700933 is a prime.

It is a super-2 number, since 2×78700941² = 12387676228570962, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78700896 and 78700905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78700949) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35046 + ... + 37223.

It is an arithmetic number, because the mean of its divisors is an integer number (6941935).

Almost surely, 2^78700941 is an apocalyptic number.

It is an amenable number.

78700941 is a deficient number, since it is larger than the sum of its proper divisors (46253889).

78700941 is a wasteful number, since it uses less digits than its factorization.

78700941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297 (or 72283 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 78700941 is about 8871.3550825114. The cubic root of 78700941 is about 428.5419173489.

The spelling of 78700941 in words is "seventy-eight million, seven hundred thousand, nine hundred forty-one".