61888104 has 32 divisors (see below), whose sum is σ = 171912000. Its totient is φ = 20629296.

The previous prime is 61888097. The next prime is 61888133. The reversal of 61888104 is 40188816.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 143044 + ... + 143475.

It is an arithmetic number, because the mean of its divisors is an integer number (5372250).

Almost surely, 2^61888104 is an apocalyptic number.

It is an amenable number.

61888104 is an abundant number, since it is smaller than the sum of its proper divisors (110023896).

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

61888104 is a wasteful number, since it uses less digits than its factorization.

61888104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286534 (or 286524 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 61888104 is about 7866.8992620981. The cubic root of 61888104 is about 395.5509142287.

The spelling of 61888104 in words is "sixty-one million, eight hundred eighty-eight thousand, one hundred four".