88819772 has 6 divisors (see below), whose sum is σ = 155434608. Its totient is φ = 44409884.

The previous prime is 88819723. The next prime is 88819807. The reversal of 88819772 is 27791888.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88819772.

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, 11102468 + ... + 11102475.

It is an arithmetic number, because the mean of its divisors is an integer number (25905768).

Almost surely, 2^88819772 is an apocalyptic number.

It is an amenable number.

88819772 is a deficient number, since it is larger than the sum of its proper divisors (66614836).

88819772 is a wasteful number, since it uses less digits than its factorization.

88819772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204947 (or 22204945 counting only the distinct ones).

The product of its digits is 451584, while the sum is 50.

The square root of 88819772 is about 9424.4242264448. The cubic root of 88819772 is about 446.1729305870.

The spelling of 88819772 in words is "eighty-eight million, eight hundred nineteen thousand, seven hundred seventy-two".