787120923 has 8 divisors (see below), whose sum is σ = 1104731200. Its totient is φ = 497128968.

The previous prime is 787120921. The next prime is 787120931. The reversal of 787120923 is 329021787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 787120923 - 2¹ = 787120921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787120921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6904513 + ... + 6904626.

It is an arithmetic number, because the mean of its divisors is an integer number (138091400).

Almost surely, 2^787120923 is an apocalyptic number.

787120923 is a deficient number, since it is larger than the sum of its proper divisors (317610277).

787120923 is a wasteful number, since it uses less digits than its factorization.

787120923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13809161.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 787120923 is about 28055.6754151455. The cubic root of 787120923 is about 923.3091772828.

The spelling of 787120923 in words is "seven hundred eighty-seven million, one hundred twenty thousand, nine hundred twenty-three".