58140978 has 16 divisors (see below), whose sum is σ = 132893760. Its totient is φ = 16611696.

The previous prime is 58140961. The next prime is 58140997. The reversal of 58140978 is 87904185.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1384309 = 58140978 / (5 + 8 + 1 + 4 + 0 + 9 + 7 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692113 + ... + 692196.

It is an arithmetic number, because the mean of its divisors is an integer number (8305860).

Almost surely, 2^58140978 is an apocalyptic number.

58140978 is an abundant number, since it is smaller than the sum of its proper divisors (74752782).

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

58140978 is a wasteful number, since it uses less digits than its factorization.

58140978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384321.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 58140978 is about 7625.0231475058. The cubic root of 58140978 is about 387.4010358445.

The spelling of 58140978 in words is "fifty-eight million, one hundred forty thousand, nine hundred seventy-eight".