8977291428 has 48 divisors (see below), whose sum is σ = 23981062784. Its totient is φ = 2560481280.

The previous prime is 8977291409. The next prime is 8977291511. The reversal of 8977291428 is 8241927798.

It is a super-2 number, since 2×8977291428² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44143 + ... + 141078.

Almost surely, 2^8977291428 is an apocalyptic number.

It is an amenable number.

8977291428 is an abundant number, since it is smaller than the sum of its proper divisors (15003771356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8977291428 is a wasteful number, since it uses less digits than its factorization.

8977291428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185812 (or 185810 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 57.

The square root of 8977291428 is about 94748.5695300990. The cubic root of 8977291428 is about 2078.3328779761.

The spelling of 8977291428 in words is "eight billion, nine hundred seventy-seven million, two hundred ninety-one thousand, four hundred twenty-eight".