78263048 has 16 divisors (see below), whose sum is σ = 147068460. Its totient is φ = 39044800.

The previous prime is 78263041. The next prime is 78263051. The reversal of 78263048 is 84036287.

It can be written as a sum of positive squares in 2 ways, for example, as 75030244 + 3232804 = 8662^2 + 1798^2 .

It is a super-2 number, since 2×78263048² = 12250209364500608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78263041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6923 + ... + 14298.

Almost surely, 2^78263048 is an apocalyptic number.

It is an amenable number.

78263048 is a deficient number, since it is larger than the sum of its proper divisors (68805412).

78263048 is a wasteful number, since it uses less digits than its factorization.

78263048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688 (or 21684 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 78263048 is about 8846.6404922999. The cubic root of 78263048 is about 427.7456345157.

The spelling of 78263048 in words is "seventy-eight million, two hundred sixty-three thousand, forty-eight".