78083761 has 16 divisors (see below), whose sum is σ = 92766208. Its totient is φ = 64314000.

The previous prime is 78083701. The next prime is 78083767. The reversal of 78083761 is 16738087.

It is a cyclic number.

It is not a de Polignac number, because 78083761 - 2⁹ = 78083249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78083767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31576 + ... + 33958.

It is an arithmetic number, because the mean of its divisors is an integer number (5797888).

Almost surely, 2^78083761 is an apocalyptic number.

It is an amenable number.

78083761 is a deficient number, since it is larger than the sum of its proper divisors (14682447).

78083761 is a wasteful number, since it uses less digits than its factorization.

78083761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 78083761 is about 8836.5016267752. The cubic root of 78083761 is about 427.4187545524.

The spelling of 78083761 in words is "seventy-eight million, eighty-three thousand, seven hundred sixty-one".