78034788 has 36 divisors (see below), whose sum is σ = 212429308. Its totient is φ = 24010560.

The previous prime is 78034687. The next prime is 78034793. The reversal of 78034788 is 88743087.

It can be written as a sum of positive squares in 2 ways, for example, as 31002624 + 47032164 = 5568^2 + 6858^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82903 + ... + 83838.

Almost surely, 2^78034788 is an apocalyptic number.

78034788 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78034788 is an abundant number, since it is smaller than the sum of its proper divisors (134394520).

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

78034788 is a wasteful number, since it uses less digits than its factorization.

78034788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166764 (or 166759 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 78034788 is about 8833.7301294527. The cubic root of 78034788 is about 427.3293789212.

The spelling of 78034788 in words is "seventy-eight million, thirty-four thousand, seven hundred eighty-eight".