7942277398 has 8 divisors (see below), whose sum is σ = 12996453960. Its totient is φ = 3610126080.

The previous prime is 7942277393. The next prime is 7942277401. The reversal of 7942277398 is 8937722497.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942277393) 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, 180506283 + ... + 180506326.

It is an arithmetic number, because the mean of its divisors is an integer number (1624556745).

Almost surely, 2^7942277398 is an apocalyptic number.

7942277398 is a deficient number, since it is larger than the sum of its proper divisors (5054176562).

7942277398 is a wasteful number, since it uses less digits than its factorization.

7942277398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361012622.

The product of its digits is 10668672, while the sum is 58.

The square root of 7942277398 is about 89119.4557770636. The cubic root of 7942277398 is about 1995.1781674745.

The spelling of 7942277398 in words is "seven billion, nine hundred forty-two million, two hundred seventy-seven thousand, three hundred ninety-eight".