78763030 has 16 divisors (see below), whose sum is σ = 143236800. Its totient is φ = 31180032.

The previous prime is 78763019. The next prime is 78763031. The reversal of 78763030 is 3036787.

It is a super-2 number, since 2×78763030² = 12407229789561800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78763031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39630 + ... + 41569.

It is an arithmetic number, because the mean of its divisors is an integer number (8952300).

Almost surely, 2^78763030 is an apocalyptic number.

78763030 is a deficient number, since it is larger than the sum of its proper divisors (64473770).

78763030 is a wasteful number, since it uses less digits than its factorization.

78763030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81303.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 78763030 is about 8874.8538016127. The cubic root of 78763030 is about 428.6545832826.

The spelling of 78763030 in words is "seventy-eight million, seven hundred sixty-three thousand, thirty".