48780091 has 2 divisors, whose sum is σ = 48780092. Its totient is φ = 48780090.

The previous prime is 48780041. The next prime is 48780101. The reversal of 48780091 is 19008784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48780091 - 2¹⁹ = 48255803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48780091.

It is not a weakly prime, because it can be changed into another prime (48780041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390045 + 24390046.

It is an arithmetic number, because the mean of its divisors is an integer number (24390046).

Almost surely, 2^48780091 is an apocalyptic number.

48780091 is a deficient number, since it is larger than the sum of its proper divisors (1).

48780091 is an equidigital number, since it uses as much as digits as its factorization.

48780091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 48780091 is about 6984.2745507318. The cubic root of 48780091 is about 365.3823253519.

The spelling of 48780091 in words is "forty-eight million, seven hundred eighty thousand, ninety-one".