78770003 has 16 divisors (see below), whose sum is σ = 90142080. Its totient is φ = 68294016.

The previous prime is 78769973. The next prime is 78770047. The reversal of 78770003 is 30007787.

It is a cyclic number.

It is not a de Polignac number, because 78770003 - 2¹⁰ = 78768979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78770063) 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, 11126 + ... + 16772.

It is an arithmetic number, because the mean of its divisors is an integer number (5633880).

Almost surely, 2^78770003 is an apocalyptic number.

78770003 is a deficient number, since it is larger than the sum of its proper divisors (11372077).

78770003 is a wasteful number, since it uses less digits than its factorization.

78770003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 78770003 is about 8875.2466444601. The cubic root of 78770003 is about 428.6672327038.

The spelling of 78770003 in words is "seventy-eight million, seven hundred seventy thousand, three".