83478996 has 36 divisors (see below), whose sum is σ = 215927712. Its totient is φ = 27178704.

The previous prime is 83478979. The next prime is 83479013. The reversal of 83478996 is 69987438.

83478996 is a `hidden beast` number, since 83 + 478 + 9 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (83478979) and next prime (83479013).

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, 25416 + ... + 28511.

It is an arithmetic number, because the mean of its divisors is an integer number (5997992).

Almost surely, 2^83478996 is an apocalyptic number.

83478996 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

83478996 is an abundant number, since it is smaller than the sum of its proper divisors (132448716).

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

83478996 is a wasteful number, since it uses less digits than its factorization.

83478996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980 (or 53975 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 83478996 is about 9136.6840812190. The cubic root of 83478996 is about 437.0445803497.

The spelling of 83478996 in words is "eighty-three million, four hundred seventy-eight thousand, nine hundred ninety-six".