787825942 has 4 divisors (see below), whose sum is σ = 1181738916. Its totient is φ = 393912970.

The previous prime is 787825921. The next prime is 787825963. The reversal of 787825942 is 249528787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249528787 = 233 ⋅1070939.

It is an interprime number because it is at equal distance from previous prime (787825921) and next prime (787825963).

It is a self number, because there is not a number n which added to its sum of digits gives 787825942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196956484 + ... + 196956487.

It is an arithmetic number, because the mean of its divisors is an integer number (295434729).

Almost surely, 2^787825942 is an apocalyptic number.

787825942 is a deficient number, since it is larger than the sum of its proper divisors (393912974).

787825942 is a wasteful number, since it uses less digits than its factorization.

787825942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393912973.

The product of its digits is 2257920, while the sum is 52.

The square root of 787825942 is about 28068.2372442589. The cubic root of 787825942 is about 923.5847623252.

The spelling of 787825942 in words is "seven hundred eighty-seven million, eight hundred twenty-five thousand, nine hundred forty-two".