846978741 has 16 divisors (see below), whose sum is σ = 1434038400. Its totient is φ = 483987744.

The previous prime is 846978659. The next prime is 846978757. The reversal of 846978741 is 147879648.

It is a happy number.

It is not a de Polignac number, because 846978741 - 2¹⁸ = 846716597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846978791) 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, 2240496 + ... + 2240873.

It is an arithmetic number, because the mean of its divisors is an integer number (89627400).

Almost surely, 2^846978741 is an apocalyptic number.

It is an amenable number.

846978741 is a deficient number, since it is larger than the sum of its proper divisors (587059659).

846978741 is a wasteful number, since it uses less digits than its factorization.

846978741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481385 (or 4481379 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 846978741 is about 29102.8991854764. The cubic root of 846978741 is about 946.1445743429.

The spelling of 846978741 in words is "eight hundred forty-six million, nine hundred seventy-eight thousand, seven hundred forty-one".