46878261 has 4 divisors (see below), whose sum is σ = 62504352. Its totient is φ = 31252172.

The previous prime is 46878199. The next prime is 46878283. The reversal of 46878261 is 16287864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46878261 - 2¹⁸ = 46616117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46878661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7813041 + ... + 7813046.

It is an arithmetic number, because the mean of its divisors is an integer number (15626088).

Almost surely, 2^46878261 is an apocalyptic number.

It is an amenable number.

46878261 is a deficient number, since it is larger than the sum of its proper divisors (15626091).

46878261 is a wasteful number, since it uses less digits than its factorization.

46878261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626090.

The product of its digits is 129024, while the sum is 42.

The square root of 46878261 is about 6846.7701144408. The cubic root of 46878261 is about 360.5707535845.

The spelling of 46878261 in words is "forty-six million, eight hundred seventy-eight thousand, two hundred sixty-one".