83078030 has 64 divisors (see below), whose sum is σ = 178070400. Its totient is φ = 27885312.

The previous prime is 83077961. The next prime is 83078053. The reversal of 83078030 is 3087038.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83077984 and 83078002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181562 + ... + 182018.

It is an arithmetic number, because the mean of its divisors is an integer number (2782350).

Almost surely, 2^83078030 is an apocalyptic number.

83078030 is an abundant number, since it is smaller than the sum of its proper divisors (94992370).

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

83078030 is a wasteful number, since it uses less digits than its factorization.

83078030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 83078030 is about 9114.7150257153. The cubic root of 83078030 is about 436.3437200638.

The spelling of 83078030 in words is "eighty-three million, seventy-eight thousand, thirty".