58778401 has 16 divisors (see below), whose sum is σ = 68136768. Its totient is φ = 50112000.

The previous prime is 58778399. The next prime is 58778407. The reversal of 58778401 is 10487785.

It is a cyclic number.

It is not a de Polignac number, because 58778401 - 2¹ = 58778399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58778407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97501 + ... + 98101.

It is an arithmetic number, because the mean of its divisors is an integer number (4258548).

Almost surely, 2^58778401 is an apocalyptic number.

It is an amenable number.

58778401 is a deficient number, since it is larger than the sum of its proper divisors (9358367).

58778401 is a wasteful number, since it uses less digits than its factorization.

58778401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 58778401 is about 7666.7073114865. The cubic root of 58778401 is about 388.8116379556.

The spelling of 58778401 in words is "fifty-eight million, seven hundred seventy-eight thousand, four hundred one".