78295764 has 12 divisors (see below), whose sum is σ = 182690144. Its totient is φ = 26098584.

The previous prime is 78295741. The next prime is 78295769. The reversal of 78295764 is 46759287.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×78295764² = 12260453320687392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78295769) 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, 3262312 + ... + 3262335.

Almost surely, 2^78295764 is an apocalyptic number.

It is an amenable number.

78295764 is an abundant number, since it is smaller than the sum of its proper divisors (104394380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78295764 is a wasteful number, since it uses less digits than its factorization.

78295764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524654 (or 6524652 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 78295764 is about 8848.4893625974. The cubic root of 78295764 is about 427.8052291648.

The spelling of 78295764 in words is "seventy-eight million, two hundred ninety-five thousand, seven hundred sixty-four".