78746468 has 12 divisors (see below), whose sum is σ = 139171452. Its totient is φ = 38983200.

The previous prime is 78746467. The next prime is 78746483. The reversal of 78746468 is 86464787.

It can be written as a sum of positive squares in 2 ways, for example, as 72556324 + 6190144 = 8518^2 + 2488^2 .

It is not an unprimeable number, because it can be changed into a prime (78746467) 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, 97055 + ... + 97862.

It is an arithmetic number, because the mean of its divisors is an integer number (11597621).

Almost surely, 2^78746468 is an apocalyptic number.

It is an amenable number.

78746468 is a deficient number, since it is larger than the sum of its proper divisors (60424984).

78746468 is a wasteful number, since it uses less digits than its factorization.

78746468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195022 (or 195020 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 78746468 is about 8873.9206667628. The cubic root of 78746468 is about 428.6245358739.

The spelling of 78746468 in words is "seventy-eight million, seven hundred forty-six thousand, four hundred sixty-eight".